64268478948 has 24 divisors (see below), whose sum is σ = 149972473728. Its totient is φ = 21421013536.

The previous prime is 64268478931. The next prime is 64268478991. The reversal of 64268478948 is 84987486246.

It is a happy number.

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, 74811 + ... + 366242.

It is an arithmetic number, because the mean of its divisors is an integer number (6248853072).

Almost surely, 2^64268478948 is an apocalyptic number.

It is an amenable number.

64268478948 is an abundant number, since it is smaller than the sum of its proper divisors (85703994780).

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

64268478948 is a wasteful number, since it uses less digits than its factorization.

64268478948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453203 (or 453201 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 66.

The spelling of 64268478948 in words is "sixty-four billion, two hundred sixty-eight million, four hundred seventy-eight thousand, nine hundred forty-eight".