342542550 has 96 divisors (see below), whose sum is σ = 979794432. Its totient is φ = 77575680.

The previous prime is 342542539. The next prime is 342542567. The reversal of 342542550 is 55245243.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117207 + ... + 120093.

It is an arithmetic number, because the mean of its divisors is an integer number (10206192).

Almost surely, 2^342542550 is an apocalyptic number.

342542550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 342542550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489897216).

342542550 is an abundant number, since it is smaller than the sum of its proper divisors (637251882).

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

342542550 is a wasteful number, since it uses less digits than its factorization.

342542550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3017 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 342542550 is about 18507.9050678352. The cubic root of 342542550 is about 699.6886710791.

Adding to 342542550 its reverse (55245243), we get a palindrome (397787793).

The spelling of 342542550 in words is "three hundred forty-two million, five hundred forty-two thousand, five hundred fifty".