120404440 has 32 divisors (see below), whose sum is σ = 291750480. Its totient is φ = 44456832.

The previous prime is 120404377. The next prime is 120404443. The reversal of 120404440 is 44404021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120404443) 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, 115254 + ... + 116293.

Almost surely, 2^120404440 is an apocalyptic number.

120404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120404440 is an abundant number, since it is smaller than the sum of its proper divisors (171346040).

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

120404440 is a wasteful number, since it uses less digits than its factorization.

120404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231571 (or 231567 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 120404440 is about 10972.8956980371. The cubic root of 120404440 is about 493.7959239451.

Adding to 120404440 its reverse (44404021), we get a palindrome (164808461).

The spelling of 120404440 in words is "one hundred twenty million, four hundred four thousand, four hundred forty".