455981439744 has 144 divisors (see below), whose sum is σ = 1427736371040. Its totient is φ = 143052963840.

The previous prime is 455981439733. The next prime is 455981439763. The reversal of 455981439744 is 447934189554.

455981439744 is a `hidden beast` number, since 4 + 5 + 59 + 81 + 439 + 74 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×455981439744² (a number of 24 digits) contains 22 as substring.

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, 1822777 + ... + 2057784.

It is an arithmetic number, because the mean of its divisors is an integer number (9914835910).

Almost surely, 2^455981439744 is an apocalyptic number.

It is an amenable number.

455981439744 is an abundant number, since it is smaller than the sum of its proper divisors (971754931296).

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

455981439744 is a wasteful number, since it uses less digits than its factorization.

455981439744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3880603 (or 3880583 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 455981439744 in words is "four hundred fifty-five billion, nine hundred eighty-one million, four hundred thirty-nine thousand, seven hundred forty-four".