49780220845 has 32 divisors (see below), whose sum is σ = 65223595008. Its totient is φ = 36327641088.

The previous prime is 49780220839. The next prime is 49780220873. The reversal of 49780220845 is 54802208794.

It is not a de Polignac number, because 49780220845 - 2⁷ = 49780220717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350997 + ... + 471973.

It is an arithmetic number, because the mean of its divisors is an integer number (2038237344).

Almost surely, 2^49780220845 is an apocalyptic number.

It is an amenable number.

49780220845 is a deficient number, since it is larger than the sum of its proper divisors (15443374163).

49780220845 is a wasteful number, since it uses less digits than its factorization.

49780220845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121149.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 49780220845 in words is "forty-nine billion, seven hundred eighty million, two hundred twenty thousand, eight hundred forty-five".