45278055574720 has 56 divisors (see below), whose sum is σ = 109295333864064. Its totient is φ = 17863123286016.

The previous prime is 45278055574709. The next prime is 45278055574733. The reversal of 45278055574720 is 2747555087254.

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, 969113104 + ... + 969159823.

Almost surely, 2^{45278055574720} is an apocalyptic number.

45278055574720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45278055574720 is an abundant number, since it is smaller than the sum of its proper divisors (64017278289344).

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

45278055574720 is a wasteful number, since it uses less digits than its factorization.

45278055574720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938273017 (or 1938273007 counting only the distinct ones).

The product of its (nonzero) digits is 109760000, while the sum is 61.

The spelling of 45278055574720 in words is "forty-five trillion, two hundred seventy-eight billion, fifty-five million, five hundred seventy-four thousand, seven hundred twenty".