49400245161 has 24 divisors (see below), whose sum is σ = 72281664000. Its totient is φ = 32506486272.

The previous prime is 49400245129. The next prime is 49400245241. The reversal of 49400245161 is 16154200494.

49400245161 is a `hidden beast` number, since 4 + 9 + 400 + 245 + 1 + 6 + 1 = 666.

It is not a de Polignac number, because 49400245161 - 2⁵ = 49400245129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49400245121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2777545 + ... + 2795273.

It is an arithmetic number, because the mean of its divisors is an integer number (3011736000).

Almost surely, 2^49400245161 is an apocalyptic number.

It is an amenable number.

49400245161 is a deficient number, since it is larger than the sum of its proper divisors (22881418839).

49400245161 is a wasteful number, since it uses less digits than its factorization.

49400245161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21733 (or 21730 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 49400245161 in words is "forty-nine billion, four hundred million, two hundred forty-five thousand, one hundred sixty-one".