49787960440 has 64 divisors (see below), whose sum is σ = 117818530560. Its totient is φ = 18909096960.

The previous prime is 49787960423. The next prime is 49787960441. The reversal of 49787960440 is 4406978794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49787960441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313069 + ... + 444508.

It is an arithmetic number, because the mean of its divisors is an integer number (1840914540).

Almost surely, 2^49787960440 is an apocalyptic number.

49787960440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49787960440 is an abundant number, since it is smaller than the sum of its proper divisors (68030570120).

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

49787960440 is a wasteful number, since it uses less digits than its factorization.

49787960440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757672 (or 757668 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 49787960440 in words is "forty-nine billion, seven hundred eighty-seven million, nine hundred sixty thousand, four hundred forty".