45478607447020 has 48 divisors (see below), whose sum is σ = 104246993991168. Its totient is φ = 16528208967360.

The previous prime is 45478607447003. The next prime is 45478607447033. The reversal of 45478607447020 is 2074470687454.

It is a Smith number, since the sum of its digits (58) 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 15 ways as a sum of consecutive naturals, for example, 58780212 + ... + 59548891.

It is an arithmetic number, because the mean of its divisors is an integer number (2171812374816).

Almost surely, 2^{45478607447020} is an apocalyptic number.

It is an amenable number.

45478607447020 is an abundant number, since it is smaller than the sum of its proper divisors (58768386544148).

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

45478607447020 is a wasteful number, since it uses less digits than its factorization.

45478607447020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118330870 (or 118330868 counting only the distinct ones).

The product of its (nonzero) digits is 42147840, while the sum is 58.

The spelling of 45478607447020 in words is "forty-five trillion, four hundred seventy-eight billion, six hundred seven million, four hundred forty-seven thousand, twenty".