256652412 has 12 divisors (see below), whose sum is σ = 598855656. Its totient is φ = 85550800.

The previous prime is 256652369. The next prime is 256652467. The reversal of 256652412 is 214256652.

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

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, 10693839 + ... + 10693862.

It is an arithmetic number, because the mean of its divisors is an integer number (49904638).

Almost surely, 2^256652412 is an apocalyptic number.

It is an amenable number.

256652412 is an abundant number, since it is smaller than the sum of its proper divisors (342203244).

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

256652412 is a wasteful number, since it uses less digits than its factorization.

256652412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21387708 (or 21387706 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 256652412 is about 16020.3749019803. The cubic root of 256652412 is about 635.4993587916.

The spelling of 256652412 in words is "two hundred fifty-six million, six hundred fifty-two thousand, four hundred twelve".