45537443420 has 36 divisors (see below), whose sum is σ = 111241471320. Its totient is φ = 15612837408.

The previous prime is 45537443407. The next prime is 45537443437. The reversal of 45537443420 is 2434473554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23232410 + ... + 23234369.

It is an arithmetic number, because the mean of its divisors is an integer number (3090040870).

Almost surely, 2^45537443420 is an apocalyptic number.

It is an amenable number.

45537443420 is an abundant number, since it is smaller than the sum of its proper divisors (65704027900).

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

45537443420 is a wasteful number, since it uses less digits than its factorization.

45537443420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46466802 (or 46466793 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 41.

The spelling of 45537443420 in words is "forty-five billion, five hundred thirty-seven million, four hundred forty-three thousand, four hundred twenty".