3640768412 has 12 divisors (see below), whose sum is σ = 6434428056. Its totient is φ = 1802360400.

The previous prime is 3640768403. The next prime is 3640768421. The reversal of 3640768412 is 2148670463.

3640768412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3640768403) and next prime (3640768421).

It is a self number, because there is not a number n which added to its sum of digits gives 3640768412.

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, 4505498 + ... + 4506305.

It is an arithmetic number, because the mean of its divisors is an integer number (536202338).

Almost surely, 2^3640768412 is an apocalyptic number.

It is an amenable number.

3640768412 is a deficient number, since it is larger than the sum of its proper divisors (2793659644).

3640768412 is a wasteful number, since it uses less digits than its factorization.

3640768412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011908 (or 9011906 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 3640768412 is about 60338.7803323866. The cubic root of 3640768412 is about 1538.3825729447.

The spelling of 3640768412 in words is "three billion, six hundred forty million, seven hundred sixty-eight thousand, four hundred twelve".