342045240 has 32 divisors (see below), whose sum is σ = 1026136080. Its totient is φ = 91212032.

The previous prime is 342045229. The next prime is 342045271. The reversal of 342045240 is 42540243.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 342045240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425069 + ... + 1425308.

Almost surely, 2^342045240 is an apocalyptic number.

342045240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342045240 is an abundant number, since it is smaller than the sum of its proper divisors (684090840).

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

342045240 is a wasteful number, since it uses less digits than its factorization.

342045240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850391 (or 2850387 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 342045240 is about 18494.4651179752. The cubic root of 342045240 is about 699.3498998308.

Adding to 342045240 its reverse (42540243), we get a palindrome (384585483).

The spelling of 342045240 in words is "three hundred forty-two million, forty-five thousand, two hundred forty".