400774001108 has 24 divisors (see below), whose sum is σ = 760115722632. Its totient is φ = 183794442624.

The previous prime is 400774001093. The next prime is 400774001161. The reversal of 400774001108 is 801100477004.

It can be written as a sum of positive squares in 4 ways, for example, as 13369834384 + 387404166724 = 115628^2 + 622418^2 .

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, 24537035 + ... + 24553362.

It is an arithmetic number, because the mean of its divisors is an integer number (31671488443).

Almost surely, 2^400774001108 is an apocalyptic number.

It is an amenable number.

400774001108 is a deficient number, since it is larger than the sum of its proper divisors (359341721524).

400774001108 is a wasteful number, since it uses less digits than its factorization.

400774001108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49090571 (or 49090569 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 32.

The spelling of 400774001108 in words is "four hundred billion, seven hundred seventy-four million, one thousand, one hundred eight".