49400045817 has 16 divisors (see below), whose sum is σ = 68986028160. Its totient is φ = 31384360832.

The previous prime is 49400045813. The next prime is 49400045819. The reversal of 49400045817 is 71854000494.

It is a cyclic number.

It is not a de Polignac number, because 49400045817 - 2² = 49400045813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49400045813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312188 + ... + 1349309.

It is an arithmetic number, because the mean of its divisors is an integer number (4311626760).

Almost surely, 2^49400045817 is an apocalyptic number.

It is an amenable number.

49400045817 is a deficient number, since it is larger than the sum of its proper divisors (19585982343).

49400045817 is a wasteful number, since it uses less digits than its factorization.

49400045817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661792.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 49400045817 in words is "forty-nine billion, four hundred million, forty-five thousand, eight hundred seventeen".