120413440 has 144 divisors (see below), whose sum is σ = 335543040. Its totient is φ = 40550400.

The previous prime is 120413417. The next prime is 120413471. The reversal of 120413440 is 44314021.

It is a congruent number.

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, 797365 + ... + 797515.

It is an arithmetic number, because the mean of its divisors is an integer number (2330160).

Almost surely, 2^120413440 is an apocalyptic number.

120413440 is a gapful number since it is divisible by the number (10) 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 120413440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167771520).

120413440 is an abundant number, since it is smaller than the sum of its proper divisors (215129600).

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

120413440 is an equidigital number, since it uses as much as digits as its factorization.

120413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120413440 is about 10973.3057917840. The cubic root of 120413440 is about 493.8082270700.

Adding to 120413440 its reverse (44314021), we get a palindrome (164727461).

The spelling of 120413440 in words is "one hundred twenty million, four hundred thirteen thousand, four hundred forty".