655455412 has 12 divisors (see below), whose sum is σ = 1151808196. Its totient is φ = 326367360.

The previous prime is 655455401. The next prime is 655455421. The reversal of 655455412 is 214554556.

It can be written as a sum of positive squares in 2 ways, for example, as 282038436 + 373416976 = 16794^2 + 19324^2 .

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, 339003 + ... + 340930.

Almost surely, 2^655455412 is an apocalyptic number.

It is an amenable number.

655455412 is a deficient number, since it is larger than the sum of its proper divisors (496352784).

655455412 is a wasteful number, since it uses less digits than its factorization.

655455412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680178 (or 680176 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 655455412 is about 25601.8634478040. The cubic root of 655455412 is about 868.6557882619.

The spelling of 655455412 in words is "six hundred fifty-five million, four hundred fifty-five thousand, four hundred twelve".