46631335978854 has 72 divisors (see below), whose sum is σ = 117587136565080. Its totient is φ = 13299489751680.

The previous prime is 46631335978853. The next prime is 46631335978883. The reversal of 46631335978854 is 45887953313664.

It is a happy number.

46631335978854 is a `hidden beast` number, since 466 + 3 + 1 + 3 + 35 + 9 + 7 + 88 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46631335978853) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 629673664 + ... + 629747715.

It is an arithmetic number, because the mean of its divisors is an integer number (1633154674515).

Almost surely, 2^{46631335978854} is an apocalyptic number.

46631335978854 is an abundant number, since it is smaller than the sum of its proper divisors (70955800586226).

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

46631335978854 is a wasteful number, since it uses less digits than its factorization.

46631335978854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259421426 (or 1259421412 counting only the distinct ones).

The product of its digits is 1567641600, while the sum is 72.

The spelling of 46631335978854 in words is "forty-six trillion, six hundred thirty-one billion, three hundred thirty-five million, nine hundred seventy-eight thousand, eight hundred fifty-four".