4001964276 has 12 divisors (see below), whose sum is σ = 9337916672. Its totient is φ = 1333988088.

The previous prime is 4001964259. The next prime is 4001964287. The reversal of 4001964276 is 6724691004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166748500 + ... + 166748523.

Almost surely, 2^4001964276 is an apocalyptic number.

It is an amenable number.

4001964276 is an abundant number, since it is smaller than the sum of its proper divisors (5335952396).

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

4001964276 is a wasteful number, since it uses less digits than its factorization.

4001964276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333497030 (or 333497028 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 4001964276 is about 63261.0802626702. The cubic root of 4001964276 is about 1587.6608505956.

The spelling of 4001964276 in words is "four billion, one million, nine hundred sixty-four thousand, two hundred seventy-six".