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40153243441 = 411255378017
BaseRepresentation
bin100101011001010100…
…011101111100110001
310211122100102002222111
4211121110131330301
51124213212242231
630240211205321
72621014636453
oct453124357461
9124570362874
1040153243441
1116035506113
1279472a6841
133a2ba4885c
141d2ca9c2d3
1510a01a74b1
hex95951df31

40153243441 has 8 divisors (see below), whose sum is σ = 41136394824. Its totient is φ = 39170273280.

The previous prime is 40153243423. The next prime is 40153243477. The reversal of 40153243441 is 14434235104.

It can be written as a sum of positive squares in 4 ways, for example, as 335036416 + 39818207025 = 18304^2 + 199545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40153243441 - 25 = 40153243409 is a prime.

It is a super-2 number, since 2×401532434412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40153243421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475665 + ... + 553681.

It is an arithmetic number, because the mean of its divisors is an integer number (5142049353).

Almost surely, 240153243441 is an apocalyptic number.

40153243441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40153243441 is a deficient number, since it is larger than the sum of its proper divisors (983151383).

40153243441 is a wasteful number, since it uses less digits than its factorization.

40153243441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90611.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 40153243441 its reverse (14434235104), we get a palindrome (54587478545).

The spelling of 40153243441 in words is "forty billion, one hundred fifty-three million, two hundred forty-three thousand, four hundred forty-one".

Divisors: 1 41 12553 78017 514673 3198697 979347401 40153243441