400136875226 has 16 divisors (see below), whose sum is σ = 654803643168. Its totient is φ = 181870894800.

The previous prime is 400136875211. The next prime is 400136875273. The reversal of 400136875226 is 622578631004.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35480 + ... + 895283.

It is an arithmetic number, because the mean of its divisors is an integer number (40925227698).

Almost surely, 2^400136875226 is an apocalyptic number.

400136875226 is a deficient number, since it is larger than the sum of its proper divisors (254666767942).

400136875226 is a wasteful number, since it uses less digits than its factorization.

400136875226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950317.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 400136875226 in words is "four hundred billion, one hundred thirty-six million, eight hundred seventy-five thousand, two hundred twenty-six".