3990762504894 has 32 divisors (see below), whose sum is σ = 9219301618176. Its totient is φ = 1138185384320.

The previous prime is 3990762504893. The next prime is 3990762504917. The reversal of 3990762504894 is 4984052670993.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990762504893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1778413542 + ... + 1778415785.

It is an arithmetic number, because the mean of its divisors is an integer number (288103175568).

Almost surely, 2^{3990762504894} is an apocalyptic number.

3990762504894 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3990762504894 is an abundant number, since it is smaller than the sum of its proper divisors (5228539113282).

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

3990762504894 is a wasteful number, since it uses less digits than its factorization.

3990762504894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556829360.

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 3990762504894 in words is "three trillion, nine hundred ninety billion, seven hundred sixty-two million, five hundred four thousand, eight hundred ninety-four".