442040120 has 32 divisors (see below), whose sum is σ = 1053097200. Its totient is φ = 166414848.

The previous prime is 442040117. The next prime is 442040141. The reversal of 442040120 is 21040244.

It is a super-2 number, since 2×442040120² = 390798935379228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324350 + ... + 325709.

Almost surely, 2^442040120 is an apocalyptic number.

442040120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442040120 is an abundant number, since it is smaller than the sum of its proper divisors (611057080).

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

442040120 is a wasteful number, since it uses less digits than its factorization.

442040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650087 (or 650083 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 442040120 is about 21024.7501768749. The cubic root of 442040120 is about 761.7642071651.

Adding to 442040120 its reverse (21040244), we get a palindrome (463080364).

The spelling of 442040120 in words is "four hundred forty-two million, forty thousand, one hundred twenty".