406602042 has 32 divisors (see below), whose sum is σ = 1013865984. Its totient is φ = 105610800.

The previous prime is 406602041. The next prime is 406602067. The reversal of 406602042 is 240206604.

It is not an unprimeable number, because it can be changed into a prime (406602041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439584 + ... + 440507.

It is an arithmetic number, because the mean of its divisors is an integer number (31683312).

Almost surely, 2^406602042 is an apocalyptic number.

406602042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

406602042 is an abundant number, since it is smaller than the sum of its proper divisors (607263942).

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

406602042 is a wasteful number, since it uses less digits than its factorization.

406602042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880114.

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

The square root of 406602042 is about 20164.3755668258. The cubic root of 406602042 is about 740.8378882675.

Adding to 406602042 its reverse (240206604), we get a palindrome (646808646).

The spelling of 406602042 in words is "four hundred six million, six hundred two thousand, forty-two".