342163440 has 140 divisors (see below), whose sum is σ = 1192952664. Its totient is φ = 91228032.

The previous prime is 342163397. The next prime is 342163447. The reversal of 342163440 is 44361243.

342163440 is a `hidden beast` number, since 3 + 4 + 21 + 634 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342163447) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 55387 + ... + 61253.

Almost surely, 2^342163440 is an apocalyptic number.

342163440 is a gapful number since it is divisible by the number (30) 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 342163440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596476332).

342163440 is an abundant number, since it is smaller than the sum of its proper divisors (850789224).

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

342163440 is an equidigital number, since it uses as much as digits as its factorization.

342163440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5898 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 342163440 is about 18497.6603926010. The cubic root of 342163440 is about 699.4304482772.

The spelling of 342163440 in words is "three hundred forty-two million, one hundred sixty-three thousand, four hundred forty".