400775366 has 8 divisors (see below), whose sum is σ = 607917960. Its totient is φ = 198136048.

The previous prime is 400775363. The next prime is 400775383. The reversal of 400775366 is 663577004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400775363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1125596 + ... + 1125951.

It is an arithmetic number, because the mean of its divisors is an integer number (75989745).

Almost surely, 2^400775366 is an apocalyptic number.

400775366 is a deficient number, since it is larger than the sum of its proper divisors (207142594).

400775366 is a wasteful number, since it uses less digits than its factorization.

400775366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251638.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 400775366 is about 20019.3747654616. The cubic root of 400775366 is about 737.2820712407.

The spelling of 400775366 in words is "four hundred million, seven hundred seventy-five thousand, three hundred sixty-six".