45403632252 has 72 divisors (see below), whose sum is σ = 128587887792. Its totient is φ = 13386816000.

The previous prime is 45403632247. The next prime is 45403632293. The reversal of 45403632252 is 25223630454.

45403632252 is a `hidden beast` number, since 4 + 5 + 40 + 363 + 2 + 252 = 666.

It is a super-2 number, since 2×45403632252² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1534749 + ... + 1564052.

It is an arithmetic number, because the mean of its divisors is an integer number (1785942886).

Almost surely, 2^45403632252 is an apocalyptic number.

It is an amenable number.

45403632252 is an abundant number, since it is smaller than the sum of its proper divisors (83184255540).

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

45403632252 is a wasteful number, since it uses less digits than its factorization.

45403632252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098859 (or 3098854 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 45403632252 in words is "forty-five billion, four hundred three million, six hundred thirty-two thousand, two hundred fifty-two".