49420894580 has 12 divisors (see below), whose sum is σ = 103783878660. Its totient is φ = 19768357824.

The previous prime is 49420894573. The next prime is 49420894583. The reversal of 49420894580 is 8549802494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31466502544 + 17954392036 = 177388^2 + 133994^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49420894583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235522345 + ... + 1235522384.

It is an arithmetic number, because the mean of its divisors is an integer number (8648656555).

Almost surely, 2^49420894580 is an apocalyptic number.

It is an amenable number.

49420894580 is an abundant number, since it is smaller than the sum of its proper divisors (54362984080).

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

49420894580 is a wasteful number, since it uses less digits than its factorization.

49420894580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471044738 (or 2471044736 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 49420894580 in words is "forty-nine billion, four hundred twenty million, eight hundred ninety-four thousand, five hundred eighty".