342425440 has 96 divisors (see below), whose sum is σ = 947225664. Its totient is φ = 114524160.

The previous prime is 342425437. The next prime is 342425459. The reversal of 342425440 is 44524243.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 342425399 and 342425408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42192 + ... + 49648.

It is an arithmetic number, because the mean of its divisors is an integer number (9866934).

Almost surely, 2^342425440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473612832).

342425440 is an abundant number, since it is smaller than the sum of its proper divisors (604800224).

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

342425440 is a wasteful number, since it uses less digits than its factorization.

342425440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520 (or 7512 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 342425440 is about 18504.7410141293. The cubic root of 342425440 is about 699.6089244120.

Adding to 342425440 its reverse (44524243), we get a palindrome (386949683).

The spelling of 342425440 in words is "three hundred forty-two million, four hundred twenty-five thousand, four hundred forty".