120328440 has 128 divisors (see below), whose sum is σ = 380358720. Its totient is φ = 30412800.

The previous prime is 120328409. The next prime is 120328459. The reversal of 120328440 is 44823021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 120328440.

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, 181710 + ... + 182370.

Almost surely, 2^120328440 is an apocalyptic number.

120328440 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 120328440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190179360).

120328440 is an abundant number, since it is smaller than the sum of its proper divisors (260030280).

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

120328440 is a wasteful number, since it uses less digits than its factorization.

120328440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 120328440 is about 10969.4320728103. The cubic root of 120328440 is about 493.6920064344.

The spelling of 120328440 in words is "one hundred twenty million, three hundred twenty-eight thousand, four hundred forty".