3215724940 has 12 divisors (see below), whose sum is σ = 6753022416. Its totient is φ = 1286289968.

The previous prime is 3215724931. The next prime is 3215724973. The reversal of 3215724940 is 494275123.

3215724940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3215724940.

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, 80393104 + ... + 80393143.

It is an arithmetic number, because the mean of its divisors is an integer number (562751868).

Almost surely, 2^3215724940 is an apocalyptic number.

It is an amenable number.

3215724940 is an abundant number, since it is smaller than the sum of its proper divisors (3537297476).

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

3215724940 is a wasteful number, since it uses less digits than its factorization.

3215724940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160786256 (or 160786254 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3215724940 is about 56707.3623086103. The cubic root of 3215724940 is about 1476.0224553052.

The spelling of 3215724940 in words is "three billion, two hundred fifteen million, seven hundred twenty-four thousand, nine hundred forty".