49270371872 has 18 divisors (see below), whose sum is σ = 97003516743. Its totient is φ = 24634558112.

The previous prime is 49270371869. The next prime is 49270371877. The reversal of 49270371872 is 27817307294.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

49270371872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24635185936 + 24635185936 = 156956^2 + 156956^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=156956.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49270371872.

It is not an unprimeable number, because it can be changed into a prime (49270371877) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1236029 + ... + 1275267.

Almost surely, 2^49270371872 is an apocalyptic number.

It is an amenable number.

49270371872 is a deficient number, since it is larger than the sum of its proper divisors (47733144871).

49270371872 is an frugal number, since it uses more digits than its factorization.

49270371872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78488 (or 39241 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 50.

Multiplying 49270371872 by its sum of digits (50), we get a square (2463518593600 = 1569560²).

The spelling of 49270371872 in words is "forty-nine billion, two hundred seventy million, three hundred seventy-one thousand, eight hundred seventy-two".