40856018252 has 48 divisors (see below), whose sum is σ = 82888565760. Its totient is φ = 17258372352.

The previous prime is 40856018249. The next prime is 40856018299. The reversal of 40856018252 is 25281065804.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296143 + ... + 1327289.

It is an arithmetic number, because the mean of its divisors is an integer number (1726845120).

Almost surely, 2^40856018252 is an apocalyptic number.

It is an amenable number.

40856018252 is an abundant number, since it is smaller than the sum of its proper divisors (42032547508).

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

40856018252 is a wasteful number, since it uses less digits than its factorization.

40856018252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31830 (or 31828 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 40856018252 in words is "forty billion, eight hundred fifty-six million, eighteen thousand, two hundred fifty-two".