46561012638 has 32 divisors (see below), whose sum is σ = 106665451776. Its totient is φ = 13273111488.

The previous prime is 46561012607. The next prime is 46561012691. The reversal of 46561012638 is 83621016564.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 46561012638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1232631 + ... + 1269842.

It is an arithmetic number, because the mean of its divisors is an integer number (3333295368).

Almost surely, 2^46561012638 is an apocalyptic number.

46561012638 is an abundant number, since it is smaller than the sum of its proper divisors (60104439138).

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

46561012638 is a wasteful number, since it uses less digits than its factorization.

46561012638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502928.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 46561012638 in words is "forty-six billion, five hundred sixty-one million, twelve thousand, six hundred thirty-eight".