48420972261 has 20 divisors (see below), whose sum is σ = 72338543200. Its totient is φ = 32277979656.

The previous prime is 48420972253. The next prime is 48420972307. The reversal of 48420972261 is 16227902484.

48420972261 is a `hidden beast` number, since 484 + 2 + 0 + 97 + 22 + 61 = 666.

It is not a de Polignac number, because 48420972261 - 2³ = 48420972253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48420972361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1698120 + ... + 1726398.

It is an arithmetic number, because the mean of its divisors is an integer number (3616927160).

Almost surely, 2^48420972261 is an apocalyptic number.

It is an amenable number.

48420972261 is a deficient number, since it is larger than the sum of its proper divisors (23917570939).

48420972261 is a wasteful number, since it uses less digits than its factorization.

48420972261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49430 (or 49421 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 48420972261 in words is "forty-eight billion, four hundred twenty million, nine hundred seventy-two thousand, two hundred sixty-one".