42206604 has 24 divisors (see below), whose sum is σ = 107435328. Its totient is φ = 12789840.

The previous prime is 42206599. The next prime is 42206621. The reversal of 42206604 is 40660224.

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, 159742 + ... + 160005.

It is an arithmetic number, because the mean of its divisors is an integer number (4476472).

Almost surely, 2^42206604 is an apocalyptic number.

42206604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42206604 is an abundant number, since it is smaller than the sum of its proper divisors (65228724).

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

42206604 is a wasteful number, since it uses less digits than its factorization.

42206604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319765 (or 319763 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 42206604 is about 6496.6609885387. The cubic root of 42206604 is about 348.1717015027.

Adding to 42206604 its reverse (40660224), we get a palindrome (82866828).

The spelling of 42206604 in words is "forty-two million, two hundred six thousand, six hundred four".