49759243840 has 56 divisors (see below), whose sum is σ = 118552033152. Its totient is φ = 19893143040.

The previous prime is 49759243823. The next prime is 49759243843. The reversal of 49759243840 is 4834295794.

It is not an unprimeable number, because it can be changed into a prime (49759243843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 577657 + ... + 658183.

It is an arithmetic number, because the mean of its divisors is an integer number (2117000592).

Almost surely, 2^49759243840 is an apocalyptic number.

49759243840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49759243840 is an abundant number, since it is smaller than the sum of its proper divisors (68792789312).

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

49759243840 is a wasteful number, since it uses less digits than its factorization.

49759243840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82475 (or 82465 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 49759243840 in words is "forty-nine billion, seven hundred fifty-nine million, two hundred forty-three thousand, eight hundred forty".