5621345323440 has 160 divisors (see below), whose sum is σ = 21726134724096. Its totient is φ = 1168071751680.

The previous prime is 5621345323397. The next prime is 5621345323463. The reversal of 5621345323440 is 443235431265.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 5621345323392 and 5621345323401.

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, 152074197 + ... + 152111156.

Almost surely, 2^{5621345323440} is an apocalyptic number.

It is an amenable number.

5621345323440 is an abundant number, since it is smaller than the sum of its proper divisors (16104789400656).

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

5621345323440 is a wasteful number, since it uses less digits than its factorization.

5621345323440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304185387 (or 304185381 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 5621345323440 in words is "five trillion, six hundred twenty-one billion, three hundred forty-five million, three hundred twenty-three thousand, four hundred forty".