400423036 has 24 divisors (see below), whose sum is σ = 755247584. Its totient is φ = 184662720.

The previous prime is 400423027. The next prime is 400423069. The reversal of 400423036 is 630324004.

It is a junction number, because it is equal to n+sod(n) for n = 400422998 and 400423016.

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, 88321 + ... + 92743.

Almost surely, 2^400423036 is an apocalyptic number.

It is an amenable number.

400423036 is a deficient number, since it is larger than the sum of its proper divisors (354824548).

400423036 is a wasteful number, since it uses less digits than its factorization.

400423036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6181 (or 6179 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 400423036 is about 20010.5731052361. The cubic root of 400423036 is about 737.0659545383.

The spelling of 400423036 in words is "four hundred million, four hundred twenty-three thousand, thirty-six".