402546631463655 has 32 divisors (see below), whose sum is σ = 759829955063808. Its totient is φ = 178085145715200.

The previous prime is 402546631463539. The next prime is 402546631463759. The reversal of 402546631463655 is 556364136645204.

It is not a de Polignac number, because 402546631463655 - 2¹⁴ = 402546631447271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61835116786 + ... + 61835123295.

It is an arithmetic number, because the mean of its divisors is an integer number (23744686095744).

Almost surely, 2^{402546631463655} is an apocalyptic number.

402546631463655 is a deficient number, since it is larger than the sum of its proper divisors (357283323600153).

402546631463655 is a wasteful number, since it uses less digits than its factorization.

402546631463655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123670240127.

The product of its (nonzero) digits is 186624000, while the sum is 60.

The spelling of 402546631463655 in words is "four hundred two trillion, five hundred forty-six billion, six hundred thirty-one million, four hundred sixty-three thousand, six hundred fifty-five".