400206046 has 16 divisors (see below), whose sum is σ = 604264320. Its totient is φ = 198789120.

The previous prime is 400206019. The next prime is 400206067. The reversal of 400206046 is 640602004.

It is a congruent number.

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, 277395 + ... + 278833.

It is an arithmetic number, because the mean of its divisors is an integer number (37766520).

Almost surely, 2^400206046 is an apocalyptic number.

400206046 is a deficient number, since it is larger than the sum of its proper divisors (204058274).

400206046 is a wasteful number, since it uses less digits than its factorization.

400206046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 400206046 is about 20005.1504868121. The cubic root of 400206046 is about 736.9327913370.

The spelling of 400206046 in words is "four hundred million, two hundred six thousand, forty-six".