49440734918 has 8 divisors (see below), whose sum is σ = 74284500360. Its totient is φ = 24679234800.

The previous prime is 49440734897. The next prime is 49440734969. The reversal of 49440734918 is 81943704494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 49440734918.

It is a congruent number.

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, 20564828 + ... + 20567231.

It is an arithmetic number, because the mean of its divisors is an integer number (9285562545).

Almost surely, 2^49440734918 is an apocalyptic number.

49440734918 is a deficient number, since it is larger than the sum of its proper divisors (24843765442).

49440734918 is a wasteful number, since it uses less digits than its factorization.

49440734918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41132662.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 49440734918 in words is "forty-nine billion, four hundred forty million, seven hundred thirty-four thousand, nine hundred eighteen".