49325440 has 64 divisors (see below), whose sum is σ = 121163760. Its totient is φ = 19187712.

The previous prime is 49325417. The next prime is 49325447. The reversal of 49325440 is 4452394.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49325447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22639 + ... + 24721.

Almost surely, 2^49325440 is an apocalyptic number.

49325440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49325440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60581880).

49325440 is an abundant number, since it is smaller than the sum of its proper divisors (71838320).

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

49325440 is a wasteful number, since it uses less digits than its factorization.

49325440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 49325440 is about 7023.2072445571. The cubic root of 49325440 is about 366.7389095486.

The spelling of 49325440 in words is "forty-nine million, three hundred twenty-five thousand, four hundred forty".