342440032 has 48 divisors (see below), whose sum is σ = 755374032. Its totient is φ = 151441920.

The previous prime is 342440011. The next prime is 342440047. The reversal of 342440032 is 230044243.

It is a super-2 number, since 2×342440032² = 234530351032322048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 342439985 and 342440012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123 + ... + 26170.

It is an arithmetic number, because the mean of its divisors is an integer number (15736959).

Almost surely, 2^342440032 is an apocalyptic number.

342440032 is a gapful number since it is divisible by the number (32) 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 342440032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377687016).

342440032 is an abundant number, since it is smaller than the sum of its proper divisors (412934000).

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

342440032 is a wasteful number, since it uses less digits than its factorization.

342440032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26351 (or 26343 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 342440032 is about 18505.1352872655. The cubic root of 342440032 is about 699.6188619022.

Adding to 342440032 its reverse (230044243), we get a palindrome (572484275).

The spelling of 342440032 in words is "three hundred forty-two million, four hundred forty thousand, thirty-two".