40113521252 has 24 divisors (see below), whose sum is σ = 80450536320. Its totient is φ = 17143617600.

The previous prime is 40113521233. The next prime is 40113521263. The reversal of 40113521252 is 25212531104.

40113521252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1985249 + ... + 2005352.

It is an arithmetic number, because the mean of its divisors is an integer number (3352105680).

Almost surely, 2^40113521252 is an apocalyptic number.

It is an amenable number.

40113521252 is an abundant number, since it is smaller than the sum of its proper divisors (40337015068).

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

40113521252 is a wasteful number, since it uses less digits than its factorization.

40113521252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990971 (or 3990969 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 40113521252 in words is "forty billion, one hundred thirteen million, five hundred twenty-one thousand, two hundred fifty-two".