49727285520 has 80 divisors (see below), whose sum is σ = 168168647232. Its totient is φ = 12055098880.

The previous prime is 49727285477. The next prime is 49727285551. The reversal of 49727285520 is 2558272794.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9415407 + ... + 9420686.

Almost surely, 2^49727285520 is an apocalyptic number.

49727285520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49727285520 is an abundant number, since it is smaller than the sum of its proper divisors (118441361712).

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

49727285520 is a wasteful number, since it uses less digits than its factorization.

49727285520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18836120 (or 18836114 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 49727285520 in words is "forty-nine billion, seven hundred twenty-seven million, two hundred eighty-five thousand, five hundred twenty".