40517261008 has 40 divisors (see below), whose sum is σ = 90980426880. Its totient is φ = 17119966080.

The previous prime is 40517260991. The next prime is 40517261009. The reversal of 40517261008 is 80016271504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40517261009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2539663 + ... + 2555566.

It is an arithmetic number, because the mean of its divisors is an integer number (2274510672).

Almost surely, 2^40517261008 is an apocalyptic number.

It is an amenable number.

40517261008 is an abundant number, since it is smaller than the sum of its proper divisors (50463165872).

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

40517261008 is a wasteful number, since it uses less digits than its factorization.

40517261008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5095315 (or 5095309 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 40517261008 in words is "forty billion, five hundred seventeen million, two hundred sixty-one thousand, eight".