40320057252 has 24 divisors (see below), whose sum is σ = 94083421600. Its totient is φ = 13439549376.

The previous prime is 40320057203. The next prime is 40320057277. The reversal of 40320057252 is 25275002304.

40320057252 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, 558399 + ... + 626457.

Almost surely, 2^40320057252 is an apocalyptic number.

It is an amenable number.

40320057252 is an abundant number, since it is smaller than the sum of its proper divisors (53763364348).

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

40320057252 is a wasteful number, since it uses less digits than its factorization.

40320057252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117435 (or 117433 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

Adding to 40320057252 its reverse (25275002304), we get a palindrome (65595059556).

The spelling of 40320057252 in words is "forty billion, three hundred twenty million, fifty-seven thousand, two hundred fifty-two".