49749948720 has 60 divisors (see below), whose sum is σ = 167076913536. Its totient is φ = 13266652800.

The previous prime is 49749948697. The next prime is 49749948739. The reversal of 49749948720 is 2784994794.

49749948720 is a `hidden beast` number, since 4 + 97 + 49 + 9 + 487 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 34547856 + ... + 34549295.

Almost surely, 2^49749948720 is an apocalyptic number.

49749948720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49749948720 is an abundant number, since it is smaller than the sum of its proper divisors (117326964816).

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

49749948720 is a wasteful number, since it uses less digits than its factorization.

49749948720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69097170 (or 69097161 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 49749948720 in words is "forty-nine billion, seven hundred forty-nine million, nine hundred forty-eight thousand, seven hundred twenty".