46139995980 has 240 divisors, whose sum is σ = 156844912224. Its totient is φ = 11287019520.

The previous prime is 46139995931. The next prime is 46139996033. The reversal of 46139995980 is 8959993164.

46139995980 is a `hidden beast` number, since 4 + 6 + 1 + 39 + 9 + 9 + 598 + 0 = 666.

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 79 ways as a sum of consecutive naturals, for example, 3426060 + ... + 3439500.

Almost surely, 2^46139995980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46139995980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78422456112).

46139995980 is an abundant number, since it is smaller than the sum of its proper divisors (110704916244).

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

46139995980 is a wasteful number, since it uses less digits than its factorization.

46139995980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13638 (or 13627 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 46139995980 in words is "forty-six billion, one hundred thirty-nine million, nine hundred ninety-five thousand, nine hundred eighty".