3811808312928 has 240 divisors, whose sum is σ = 13976631212544. Its totient is φ = 990080029440.

The previous prime is 3811808312909. The next prime is 3811808312933. The reversal of 3811808312928 is 8292138081183.

3811808312928 is a `hidden beast` number, since 381 + 180 + 83 + 1 + 2 + 9 + 2 + 8 = 666.

It is a super-2 number, since 2×3811808312928² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9349800 + ... + 9748967.

Almost surely, 2^{3811808312928} is an apocalyptic number.

It is an amenable number.

3811808312928 is an abundant number, since it is smaller than the sum of its proper divisors (10164822899616).

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

3811808312928 is a wasteful number, since it uses less digits than its factorization.

3811808312928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19098807 (or 19098790 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 3811808312928 in words is "three trillion, eight hundred eleven billion, eight hundred eight million, three hundred twelve thousand, nine hundred twenty-eight".