49185740 has 48 divisors (see below), whose sum is σ = 107805600. Its totient is φ = 18826752.

The previous prime is 49185733. The next prime is 49185751. The reversal of 49185740 is 4758194.

It is a junction number, because it is equal to n+sod(n) for n = 49185694 and 49185703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79151 + ... + 79769.

It is an arithmetic number, because the mean of its divisors is an integer number (2245950).

Almost surely, 2^49185740 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 49185740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53902800).

49185740 is an abundant number, since it is smaller than the sum of its proper divisors (58619860).

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

49185740 is a wasteful number, since it uses less digits than its factorization.

49185740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 49185740 is about 7013.2545939813. The cubic root of 49185740 is about 366.3923549793.

The spelling of 49185740 in words is "forty-nine million, one hundred eighty-five thousand, seven hundred forty".