49140044961 has 16 divisors (see below), whose sum is σ = 77462140800. Its totient is φ = 27111748608.

The previous prime is 49140044923. The next prime is 49140044981. The reversal of 49140044961 is 16944004194.

49140044961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49140044961 - 2⁹ = 49140044449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49140044981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40344256 + ... + 40345473.

It is an arithmetic number, because the mean of its divisors is an integer number (4841383800).

Almost surely, 2^49140044961 is an apocalyptic number.

It is an amenable number.

49140044961 is a deficient number, since it is larger than the sum of its proper divisors (28322095839).

49140044961 is a wasteful number, since it uses less digits than its factorization.

49140044961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80689768.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 49140044961 in words is "forty-nine billion, one hundred forty million, forty-four thousand, nine hundred sixty-one".