42342500 has 30 divisors (see below), whose sum is σ = 92600046. Its totient is φ = 16936000.

The previous prime is 42342493. The next prime is 42342511. The reversal of 42342500 is 524324.

It can be written as a sum of positive squares in 5 ways, for example, as 19855936 + 22486564 = 4456^2 + 4742^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5969 + ... + 10968.

Almost surely, 2^42342500 is an apocalyptic number.

It is an amenable number.

42342500 is an abundant number, since it is smaller than the sum of its proper divisors (50257546).

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

42342500 is a wasteful number, since it uses less digits than its factorization.

42342500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16961 (or 16944 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 42342500 is about 6507.1114943575. Note that the first 3 decimals coincide. The cubic root of 42342500 is about 348.5449799809.

Adding to 42342500 its reverse (524324), we get a palindrome (42866824).

The spelling of 42342500 in words is "forty-two million, three hundred forty-two thousand, five hundred".