45291915420 has 48 divisors (see below), whose sum is σ = 127133683488. Its totient is φ = 12047718400.

The previous prime is 45291915359. The next prime is 45291915497. The reversal of 45291915420 is 2451919254.

45291915420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 917169 + ... + 965288.

It is an arithmetic number, because the mean of its divisors is an integer number (2648618406).

Almost surely, 2^45291915420 is an apocalyptic number.

It is an amenable number.

45291915420 is an abundant number, since it is smaller than the sum of its proper divisors (81841768068).

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

45291915420 is a wasteful number, since it uses less digits than its factorization.

45291915420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882870 (or 1882868 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 45291915420 in words is "forty-five billion, two hundred ninety-one million, nine hundred fifteen thousand, four hundred twenty".