455664764440 has 16 divisors (see below), whose sum is σ = 1025245720080. Its totient is φ = 182265905760.

The previous prime is 455664764417. The next prime is 455664764479. The reversal of 455664764440 is 44467466554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5695809516 + ... + 5695809595.

It is an arithmetic number, because the mean of its divisors is an integer number (64077857505).

Almost surely, 2^455664764440 is an apocalyptic number.

455664764440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455664764440 is an abundant number, since it is smaller than the sum of its proper divisors (569580955640).

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

455664764440 is a wasteful number, since it uses less digits than its factorization.

455664764440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391619122 (or 11391619118 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 55.

The spelling of 455664764440 in words is "four hundred fifty-five billion, six hundred sixty-four million, seven hundred sixty-four thousand, four hundred forty".