46139281458 has 32 divisors (see below), whose sum is σ = 95305973760. Its totient is φ = 14875720080.

The previous prime is 46139281403. The next prime is 46139281481. The reversal of 46139281458 is 85418293164.

It is a self number, because there is not a number n which added to its sum of digits gives 46139281458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289663 + ... + 419741.

It is an arithmetic number, because the mean of its divisors is an integer number (2978311680).

Almost surely, 2^46139281458 is an apocalyptic number.

46139281458 is an abundant number, since it is smaller than the sum of its proper divisors (49166692302).

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

46139281458 is a wasteful number, since it uses less digits than its factorization.

46139281458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132022.

The product of its digits is 1658880, while the sum is 51.

The spelling of 46139281458 in words is "forty-six billion, one hundred thirty-nine million, two hundred eighty-one thousand, four hundred fifty-eight".