4000036764 has 24 divisors (see below), whose sum is σ = 9634498048. Its totient is φ = 1290334320.

The previous prime is 4000036759. The next prime is 4000036841. The reversal of 4000036764 is 4676300004.

It is a super-2 number, since 2×4000036764² = 32000588226703183392, which contains 22 as substring.

It is a congruent number.

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, 5376022 + ... + 5376765.

Almost surely, 2^4000036764 is an apocalyptic number.

It is an amenable number.

4000036764 is an abundant number, since it is smaller than the sum of its proper divisors (5634461284).

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

4000036764 is a wasteful number, since it uses less digits than its factorization.

4000036764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752825 (or 10752823 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 4000036764 is about 63245.8438476395. The cubic root of 4000036764 is about 1587.4059152210.

Adding to 4000036764 its reverse (4676300004), we get a palindrome (8676336768).

The spelling of 4000036764 in words is "four billion, thirty-six thousand, seven hundred sixty-four".