49718340 has 144 divisors (see below), whose sum is σ = 180028800. Its totient is φ = 11358144.

The previous prime is 49718323. The next prime is 49718369. The reversal of 49718340 is 4381794.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 49718295 and 49718304.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25521 + ... + 27399.

It is an arithmetic number, because the mean of its divisors is an integer number (1250200).

Almost surely, 2^49718340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49718340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90014400).

49718340 is an abundant number, since it is smaller than the sum of its proper divisors (130310460).

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

49718340 is a wasteful number, since it uses less digits than its factorization.

49718340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1896 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 49718340 is about 7051.1233147634. The cubic root of 49718340 is about 367.7100839628.

The spelling of 49718340 in words is "forty-nine million, seven hundred eighteen thousand, three hundred forty".