406907042 has 16 divisors (see below), whose sum is σ = 627588864. Its totient is φ = 197748000.

The previous prime is 406907009. The next prime is 406907057. The reversal of 406907042 is 240709604.

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, 13067 + ... + 31377.

It is an arithmetic number, because the mean of its divisors is an integer number (39224304).

Almost surely, 2^406907042 is an apocalyptic number.

406907042 is a deficient number, since it is larger than the sum of its proper divisors (220681822).

406907042 is a wasteful number, since it uses less digits than its factorization.

406907042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18625.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 406907042 is about 20171.9369917715. The cubic root of 406907042 is about 741.0230808786.

The spelling of 406907042 in words is "four hundred six million, nine hundred seven thousand, forty-two".