2475999648 has 72 divisors (see below), whose sum is σ = 7110921636. Its totient is φ = 817152000.

The previous prime is 2475999623. The next prime is 2475999677. The reversal of 2475999648 is 8469995742.

It can be written as a sum of positive squares in 2 ways, for example, as 1803531024 + 672468624 = 42468^2 + 25932^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2475999648² = 12261148513792247808, which contains 22 as substring.

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, 13473 + ... + 71648.

Almost surely, 2^2475999648 is an apocalyptic number.

It is an amenable number.

2475999648 is an abundant number, since it is smaller than the sum of its proper divisors (4634921988).

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

2475999648 is a wasteful number, since it uses less digits than its factorization.

2475999648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85238 (or 85227 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 2475999648 is about 49759.4176814802. The cubic root of 2475999648 is about 1352.8517035840.

The spelling of 2475999648 in words is "two billion, four hundred seventy-five million, nine hundred ninety-nine thousand, six hundred forty-eight".