46640639196 has 144 divisors (see below), whose sum is σ = 125876499840. Its totient is φ = 14518880640.

The previous prime is 46640639191. The next prime is 46640639197. The reversal of 46640639196 is 69193604664.

46640639196 is a `hidden beast` number, since 4 + 66 + 406 + 3 + 91 + 96 = 666.

It is a super-2 number, since 2×46640639196² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46640639191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46041586 + ... + 46042598.

It is an arithmetic number, because the mean of its divisors is an integer number (874142360).

Almost surely, 2^46640639196 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 46640639196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62938249920).

46640639196 is an abundant number, since it is smaller than the sum of its proper divisors (79235860644).

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

46640639196 is a wasteful number, since it uses less digits than its factorization.

46640639196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 46640639196 in words is "forty-six billion, six hundred forty million, six hundred thirty-nine thousand, one hundred ninety-six".