3996764940 has 192 divisors, whose sum is σ = 13586227200. Its totient is φ = 857001984.

The previous prime is 3996764939. The next prime is 3996764971. The reversal of 3996764940 is 494676993.

It is a super-2 number, since 2×3996764940² = 31948259971226407200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2776741 + ... + 2778179.

It is an arithmetic number, because the mean of its divisors is an integer number (70761600).

Almost surely, 2^3996764940 is an apocalyptic number.

3996764940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3996764940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6793113600).

3996764940 is an abundant number, since it is smaller than the sum of its proper divisors (9589462260).

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

3996764940 is a wasteful number, since it uses less digits than its factorization.

3996764940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864 (or 1862 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 57.

The square root of 3996764940 is about 63219.9726352361. The cubic root of 3996764940 is about 1586.9729917435.

The spelling of 3996764940 in words is "three billion, nine hundred ninety-six million, seven hundred sixty-four thousand, nine hundred forty".