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BaseRepresentation
bin100101010001101101…
…001001001001000000
310211022110000202210200
4211101231021021000
51123433011302310
630215405125200
72614604041365
oct452155111100
9124273022720
1040025494080
1115a7a391130
127910559800
133a0b43a610
141d19b2646c
151093d709c0
hex951b49240

40025494080 has 336 divisors, whose sum is σ = 161741047104. Its totient is φ = 8956661760.

The previous prime is 40025494037. The next prime is 40025494081. The reversal of 40025494080 is 8049452004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40025494081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 363247 + ... + 460433.

It is an arithmetic number, because the mean of its divisors is an integer number (481372164).

Almost surely, 240025494080 is an apocalyptic number.

40025494080 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 40025494080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80870523552).

40025494080 is an abundant number, since it is smaller than the sum of its proper divisors (121715553024).

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

40025494080 is a wasteful number, since it uses less digits than its factorization.

40025494080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97234 (or 97221 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 40025494080 in words is "forty billion, twenty-five million, four hundred ninety-four thousand, eighty".