45018278720 has 56 divisors (see below), whose sum is σ = 107305754400. Its totient is φ = 17989509632.

The previous prime is 45018278719. The next prime is 45018278777. The reversal of 45018278720 is 2787281054.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 257051 + ... + 395109.

Almost surely, 2^45018278720 is an apocalyptic number.

45018278720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45018278720 is an abundant number, since it is smaller than the sum of its proper divisors (62287475680).

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

45018278720 is a wasteful number, since it uses less digits than its factorization.

45018278720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139095 (or 139085 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 45018278720 in words is "forty-five billion, eighteen million, two hundred seventy-eight thousand, seven hundred twenty".