120352440 has 128 divisors (see below), whose sum is σ = 391910400. Its totient is φ = 29391360.

The previous prime is 120352433. The next prime is 120352493. The reversal of 120352440 is 44253021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279025 + ... + 279455.

It is an arithmetic number, because the mean of its divisors is an integer number (3061800).

Almost surely, 2^120352440 is an apocalyptic number.

120352440 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 120352440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195955200).

120352440 is an abundant number, since it is smaller than the sum of its proper divisors (271557960).

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

120352440 is a wasteful number, since it uses less digits than its factorization.

120352440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 120352440 is about 10970.5259673363. The cubic root of 120352440 is about 493.7248272163.

The spelling of 120352440 in words is "one hundred twenty million, three hundred fifty-two thousand, four hundred forty".