455024661021 has 16 divisors (see below), whose sum is σ = 770412124800. Its totient is φ = 260014091904.

The previous prime is 455024660989. The next prime is 455024661031. The reversal of 455024661021 is 120166420554.

455024661021 is a `hidden beast` number, since 4 + 5 + 502 + 46 + 6 + 102 + 1 = 666.

It is not a de Polignac number, because 455024661021 - 2⁵ = 455024660989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455024661031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203768756 + ... + 1203769133.

It is an arithmetic number, because the mean of its divisors is an integer number (48150757800).

Almost surely, 2^455024661021 is an apocalyptic number.

It is an amenable number.

455024661021 is a deficient number, since it is larger than the sum of its proper divisors (315387463779).

455024661021 is a wasteful number, since it uses less digits than its factorization.

455024661021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407537905 (or 2407537899 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 455024661021 in words is "four hundred fifty-five billion, twenty-four million, six hundred sixty-one thousand, twenty-one".