4156640312 has 32 divisors (see below), whose sum is σ = 8556401520. Its totient is φ = 1877341440.

The previous prime is 4156640297. The next prime is 4156640321. The reversal of 4156640312 is 2130466514.

4156640312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 136613 + ... + 164244.

Almost surely, 2^4156640312 is an apocalyptic number.

It is an amenable number.

4156640312 is an abundant number, since it is smaller than the sum of its proper divisors (4399761208).

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

4156640312 is a wasteful number, since it uses less digits than its factorization.

4156640312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301031 (or 301027 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4156640312 is about 64472.0118501044. The cubic root of 4156640312 is about 1607.8572257994.

The spelling of 4156640312 in words is "four billion, one hundred fifty-six million, six hundred forty thousand, three hundred twelve".