49995759280 has 20 divisors (see below), whose sum is σ = 116240140512. Its totient is φ = 19998303680.

The previous prime is 49995759277. The next prime is 49995759301. The reversal of 49995759280 is 8295759994.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×49995759280² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312473416 + ... + 312473575.

Almost surely, 2^49995759280 is an apocalyptic number.

49995759280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49995759280 is an abundant number, since it is smaller than the sum of its proper divisors (66244381232).

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

49995759280 is a wasteful number, since it uses less digits than its factorization.

49995759280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624947004 (or 624946998 counting only the distinct ones).

The product of its (nonzero) digits is 73483200, while the sum is 67.

The spelling of 49995759280 in words is "forty-nine billion, nine hundred ninety-five million, seven hundred fifty-nine thousand, two hundred eighty".