49520818724 has 18 divisors (see below), whose sum is σ = 93840487650. Its totient is φ = 22855762176.

The previous prime is 49520818703. The next prime is 49520818733. The reversal of 49520818724 is 42781802594.

It can be written as a sum of positive squares in 3 ways, for example, as 6020208100 + 43500610624 = 77590^2 + 208568^2 .

It is a super-2 number, since 2×49520818724² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 36627149 + ... + 36628500.

It is an arithmetic number, because the mean of its divisors is an integer number (5213360425).

Almost surely, 2^49520818724 is an apocalyptic number.

It is an amenable number.

49520818724 is a deficient number, since it is larger than the sum of its proper divisors (44319668926).

49520818724 is a wasteful number, since it uses less digits than its factorization.

49520818724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73255679 (or 73255664 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 49520818724 in words is "forty-nine billion, five hundred twenty million, eight hundred eighteen thousand, seven hundred twenty-four".