120040344 has 24 divisors (see below), whose sum is σ = 325109460. Its totient is φ = 40013424.

The previous prime is 120040267. The next prime is 120040357. The reversal of 120040344 is 443040021.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 833542 + ... + 833685.

Almost surely, 2^120040344 is an apocalyptic number.

It is an amenable number.

120040344 is an abundant number, since it is smaller than the sum of its proper divisors (205069116).

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

120040344 is a wasteful number, since it uses less digits than its factorization.

120040344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667239 (or 1667232 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 120040344 is about 10956.2924385944. The cubic root of 120040344 is about 493.2976847059.

Adding to 120040344 its reverse (443040021), we get a palindrome (563080365).

The spelling of 120040344 in words is "one hundred twenty million, forty thousand, three hundred forty-four".