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40543025120 = 25513312412609
BaseRepresentation
bin100101110000100011…
…010111011111100000
310212122111212001220222
4211300203113133200
51131013003300440
630343013422212
72633460012263
oct456043273740
9125574761828
1040543025120
1116215531934
127a3593a968
133a917200c0
141d68762cda
1510c44ed2b5
hex9708d77e0

40543025120 has 192 divisors, whose sum is σ = 106961057280. Its totient is φ = 14421196800.

The previous prime is 40543025069. The next prime is 40543025123. The reversal of 40543025120 is 2152034504.

It is a happy number.

40543025120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 40543025120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543025123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15538376 + ... + 15540984.

It is an arithmetic number, because the mean of its divisors is an integer number (557088840).

Almost surely, 240543025120 is an apocalyptic number.

40543025120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40543025120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53480528640).

40543025120 is an abundant number, since it is smaller than the sum of its proper divisors (66418032160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40543025120 is a wasteful number, since it uses less digits than its factorization.

40543025120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 40543025120 its reverse (2152034504), we get a palindrome (42695059624).

The spelling of 40543025120 in words is "forty billion, five hundred forty-three million, twenty-five thousand, one hundred twenty".