1964086464 has 56 divisors (see below), whose sum is σ = 5204163328. Its totient is φ = 653748480.

The previous prime is 1964086433. The next prime is 1964086471. The reversal of 1964086464 is 4646804691.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132549 + ... + 146619.

It is an arithmetic number, because the mean of its divisors is an integer number (92931488).

Almost surely, 2^1964086464 is an apocalyptic number.

It is an amenable number.

1964086464 is an abundant number, since it is smaller than the sum of its proper divisors (3240076864).

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

1964086464 is a wasteful number, since it uses less digits than its factorization.

1964086464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813 (or 14803 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 1964086464 is about 44318.0151180082. The cubic root of 1964086464 is about 1252.3340845799.

The spelling of 1964086464 in words is "one billion, nine hundred sixty-four million, eighty-six thousand, four hundred sixty-four".