3921040572 has 12 divisors (see below), whose sum is σ = 9149094696. Its totient is φ = 1307013520.

The previous prime is 3921040567. The next prime is 3921040577. The reversal of 3921040572 is 2750401293.

It is an interprime number because it is at equal distance from previous prime (3921040567) and next prime (3921040577).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921040577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163376679 + ... + 163376702.

It is an arithmetic number, because the mean of its divisors is an integer number (762424558).

Almost surely, 2^3921040572 is an apocalyptic number.

It is an amenable number.

3921040572 is an abundant number, since it is smaller than the sum of its proper divisors (5228054124).

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

3921040572 is a wasteful number, since it uses less digits than its factorization.

3921040572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326753388 (or 326753386 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 3921040572 is about 62618.2127819056. The cubic root of 3921040572 is about 1576.8865371837.

The spelling of 3921040572 in words is "three billion, nine hundred twenty-one million, forty thousand, five hundred seventy-two".