45027081648 has 120 divisors (see below), whose sum is σ = 126610735680. Its totient is φ = 14938076160.

The previous prime is 45027081527. The next prime is 45027081707. The reversal of 45027081648 is 84618072054.

45027081648 is a `hidden beast` number, since 4 + 502 + 7 + 0 + 81 + 64 + 8 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 43588140 + ... + 43589172.

It is an arithmetic number, because the mean of its divisors is an integer number (1055089464).

Almost surely, 2^45027081648 is an apocalyptic number.

45027081648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45027081648 is an abundant number, since it is smaller than the sum of its proper divisors (81583654032).

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

45027081648 is a wasteful number, since it uses less digits than its factorization.

45027081648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 45027081648 in words is "forty-five billion, twenty-seven million, eighty-one thousand, six hundred forty-eight".