49406620186 has 16 divisors (see below), whose sum is σ = 92396796480. Its totient is φ = 19249332480.

The previous prime is 49406620169. The next prime is 49406620187. The reversal of 49406620186 is 68102660494.

It is not an unprimeable number, because it can be changed into a prime (49406620187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160410951 + ... + 160411258.

It is an arithmetic number, because the mean of its divisors is an integer number (5774799780).

Almost surely, 2^49406620186 is an apocalyptic number.

49406620186 is a deficient number, since it is larger than the sum of its proper divisors (42990176294).

49406620186 is a wasteful number, since it uses less digits than its factorization.

49406620186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320822229.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 49406620186 in words is "forty-nine billion, four hundred six million, six hundred twenty thousand, one hundred eighty-six".