342121044 has 24 divisors (see below), whose sum is σ = 832991040. Its totient is φ = 109081984.

The previous prime is 342121027. The next prime is 342121057. The reversal of 342121044 is 440121243.

It is a self number, because there is not a number n which added to its sum of digits gives 342121044.

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, 619509 + ... + 620060.

It is an arithmetic number, because the mean of its divisors is an integer number (34707960).

Almost surely, 2^342121044 is an apocalyptic number.

It is an amenable number.

342121044 is an abundant number, since it is smaller than the sum of its proper divisors (490869996).

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

342121044 is a wasteful number, since it uses less digits than its factorization.

342121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239599 (or 1239597 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 342121044 is about 18496.5143743355. The cubic root of 342121044 is about 699.4015592780.

Adding to 342121044 its reverse (440121243), we get a palindrome (782242287).

The spelling of 342121044 in words is "three hundred forty-two million, one hundred twenty-one thousand, forty-four".