45247192920 has 128 divisors (see below), whose sum is σ = 152686296000. Its totient is φ = 12065894784.

The previous prime is 45247192901. The next prime is 45247192931. The reversal of 45247192920 is 2929174254.

45247192920 is a `hidden beast` number, since 4 + 5 + 2 + 471 + 92 + 92 + 0 = 666.

45247192920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171135 + ... + 346094.

Almost surely, 2^45247192920 is an apocalyptic number.

45247192920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45247192920 is an abundant number, since it is smaller than the sum of its proper divisors (107439103080).

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

45247192920 is an equidigital number, since it uses as much as digits as its factorization.

45247192920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517261 (or 517239 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 45247192920 in words is "forty-five billion, two hundred forty-seven million, one hundred ninety-two thousand, nine hundred twenty".