3856907055390 has 32 divisors (see below), whose sum is σ = 9482347105056. Its totient is φ = 1003422973440.

The previous prime is 3856907055373. The next prime is 3856907055413. The reversal of 3856907055390 is 935507096583.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567847167 + ... + 1567849626.

It is an arithmetic number, because the mean of its divisors is an integer number (296323347033).

Almost surely, 2^{3856907055390} is an apocalyptic number.

3856907055390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3856907055390 is an abundant number, since it is smaller than the sum of its proper divisors (5625440049666).

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

3856907055390 is a wasteful number, since it uses less digits than its factorization.

3856907055390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135696844.

The product of its (nonzero) digits is 30618000, while the sum is 60.

The spelling of 3856907055390 in words is "three trillion, eight hundred fifty-six billion, nine hundred seven million, fifty-five thousand, three hundred ninety".