712540400655 has 64 divisors (see below), whose sum is σ = 1211933923200. Its totient is φ = 356245831680.

The previous prime is 712540400633. The next prime is 712540400657. The reversal of 712540400655 is 556004045217.

It is not a de Polignac number, because 712540400655 - 2⁸ = 712540400399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712540400657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76276285 + ... + 76285625.

It is an arithmetic number, because the mean of its divisors is an integer number (18936467550).

Almost surely, 2^712540400655 is an apocalyptic number.

712540400655 is a deficient number, since it is larger than the sum of its proper divisors (499393522545).

712540400655 is a wasteful number, since it uses less digits than its factorization.

712540400655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10524.

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 712540400655 in words is "seven hundred twelve billion, five hundred forty million, four hundred thousand, six hundred fifty-five".