400240442206 has 32 divisors (see below), whose sum is σ = 657549415296. Its totient is φ = 181203396000.

The previous prime is 400240442167. The next prime is 400240442233. The reversal of 400240442206 is 602244042004.

It is a super-2 number, since 2×400240442206² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7700301 + ... + 7752103.

It is an arithmetic number, because the mean of its divisors is an integer number (20548419228).

Almost surely, 2^400240442206 is an apocalyptic number.

400240442206 is a deficient number, since it is larger than the sum of its proper divisors (257308973090).

400240442206 is a wasteful number, since it uses less digits than its factorization.

400240442206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53208.

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 400240442206 in words is "four hundred billion, two hundred forty million, four hundred forty-two thousand, two hundred six".