412720656 has 20 divisors (see below), whose sum is σ = 1066195152. Its totient is φ = 137573536.

The previous prime is 412720619. The next prime is 412720661. The reversal of 412720656 is 656027214.

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, 4299126 + ... + 4299221.

Almost surely, 2^412720656 is an apocalyptic number.

It is an amenable number.

412720656 is an abundant number, since it is smaller than the sum of its proper divisors (653474496).

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

412720656 is a wasteful number, since it uses less digits than its factorization.

412720656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598358 (or 8598352 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 412720656 is about 20315.5274605411. The cubic root of 412720656 is about 744.5354856967.

The spelling of 412720656 in words is "four hundred twelve million, seven hundred twenty thousand, six hundred fifty-six".