42342564 has 48 divisors (see below), whose sum is σ = 113460480. Its totient is φ = 12155040.

The previous prime is 42342539. The next prime is 42342577. The reversal of 42342564 is 46524324.

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, 5934 + ... + 10949.

It is an arithmetic number, because the mean of its divisors is an integer number (2363760).

Almost surely, 2^42342564 is an apocalyptic number.

42342564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42342564 is an abundant number, since it is smaller than the sum of its proper divisors (71117916).

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

42342564 is a wasteful number, since it uses less digits than its factorization.

42342564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16920 (or 16918 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 42342564 is about 6507.1164120523. The cubic root of 42342564 is about 348.5451555875.

Adding to 42342564 its reverse (46524324), we get a palindrome (88866888).

The spelling of 42342564 in words is "forty-two million, three hundred forty-two thousand, five hundred sixty-four".