400677100 has 36 divisors (see below), whose sum is σ = 878100048. Its totient is φ = 158680000.

The previous prime is 400677037. The next prime is 400677103. The reversal of 400677100 is 1776004.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (400677103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9736 + ... + 29935.

It is an arithmetic number, because the mean of its divisors is an integer number (24391668).

Almost surely, 2^400677100 is an apocalyptic number.

It is an amenable number.

400677100 is an abundant number, since it is smaller than the sum of its proper divisors (477422948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400677100 is a wasteful number, since it uses less digits than its factorization.

400677100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39786 (or 39779 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 400677100 is about 20016.9203425502. The cubic root of 400677100 is about 737.2218083201.

The spelling of 400677100 in words is "four hundred million, six hundred seventy-seven thousand, one hundred".