4000648874506 has 16 divisors (see below), whose sum is σ = 6016039443720. Its totient is φ = 1995307776000.

The previous prime is 4000648874473. The next prime is 4000648874557. The reversal of 4000648874506 is 6054788460004.

It can be written as a sum of positive squares in 4 ways, for example, as 3952378587481 + 48270287025 = 1988059^2 + 219705^2 .

It is a super-2 number, since 2×4000648874506² (a number of 26 digits) contains 22 as substring.

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, 142756 + ... + 2832256.

Almost surely, 2^{4000648874506} is an apocalyptic number.

4000648874506 is a deficient number, since it is larger than the sum of its proper divisors (2015390569214).

4000648874506 is a wasteful number, since it uses less digits than its factorization.

4000648874506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691369.

The product of its (nonzero) digits is 5160960, while the sum is 52.

The spelling of 4000648874506 in words is "four trillion, six hundred forty-eight million, eight hundred seventy-four thousand, five hundred six".