342400554 has 32 divisors (see below), whose sum is σ = 761523840. Its totient is φ = 114038496.

The previous prime is 342400547. The next prime is 342400559. The reversal of 342400554 is 455004243.

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

It is not an unprimeable number, because it can be changed into a prime (342400559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98022 + ... + 101454.

It is an arithmetic number, because the mean of its divisors is an integer number (23797620).

Almost surely, 2^342400554 is an apocalyptic number.

342400554 is an abundant number, since it is smaller than the sum of its proper divisors (419123286).

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

342400554 is a wasteful number, since it uses less digits than its factorization.

342400554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 342400554 is about 18504.0685796395. The cubic root of 342400554 is about 699.5919758177.

Adding to 342400554 its reverse (455004243), we get a palindrome (797404797).

The spelling of 342400554 in words is "three hundred forty-two million, four hundred thousand, five hundred fifty-four".