1464455664 has 60 divisors (see below), whose sum is σ = 4683936816. Its totient is φ = 418415616.

The previous prime is 1464455639. The next prime is 1464455683. The reversal of 1464455664 is 4665544641.

1464455664 is a `hidden beast` number, since 1 + 46 + 4 + 45 + 566 + 4 = 666.

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, 725409 + ... + 727424.

Almost surely, 2^1464455664 is an apocalyptic number.

1464455664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1464455664 is an abundant number, since it is smaller than the sum of its proper divisors (3219481152).

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

1464455664 is a wasteful number, since it uses less digits than its factorization.

1464455664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452854 (or 1452845 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The square root of 1464455664 is about 38268.2069608703. The cubic root of 1464455664 is about 1135.6000666839.

The spelling of 1464455664 in words is "one billion, four hundred sixty-four million, four hundred fifty-five thousand, six hundred sixty-four".