49145854420 has 48 divisors (see below), whose sum is σ = 111215775888. Its totient is φ = 18134645760.

The previous prime is 49145854403. The next prime is 49145854427. The reversal of 49145854420 is 2445854194.

49145854420 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 8 ways, for example, as 116380944 + 49029473476 = 10788^2 + 221426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49145854427) 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, 356040 + ... + 474400.

It is an arithmetic number, because the mean of its divisors is an integer number (2316995331).

Almost surely, 2^49145854420 is an apocalyptic number.

It is an amenable number.

49145854420 is an abundant number, since it is smaller than the sum of its proper divisors (62069921468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49145854420 is a wasteful number, since it uses less digits than its factorization.

49145854420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119980 (or 119978 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 49145854420 in words is "forty-nine billion, one hundred forty-five million, eight hundred fifty-four thousand, four hundred twenty".