45402249536 has 56 divisors (see below), whose sum is σ = 102987018816. Its totient is φ = 19454100480.

The previous prime is 45402249509. The next prime is 45402249559. The reversal of 45402249536 is 63594220454.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×45402249536² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 3438980 + ... + 3452156.

Almost surely, 2^45402249536 is an apocalyptic number.

It is an amenable number.

45402249536 is an abundant number, since it is smaller than the sum of its proper divisors (57584769280).

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

45402249536 is a wasteful number, since it uses less digits than its factorization.

45402249536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20887 (or 20877 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 45402249536 in words is "forty-five billion, four hundred two million, two hundred forty-nine thousand, five hundred thirty-six".