400431102 has 8 divisors (see below), whose sum is σ = 800862216. Its totient is φ = 133477032.

The previous prime is 400431091. The next prime is 400431167. The reversal of 400431102 is 201134004.

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

400431102 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33369253 + ... + 33369264.

It is an arithmetic number, because the mean of its divisors is an integer number (100107777).

Almost surely, 2^400431102 is an apocalyptic number.

400431102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

400431102 is a wasteful number, since it uses less digits than its factorization.

400431102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66738522.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 400431102 is about 20010.7746476742. The cubic root of 400431102 is about 737.0709035826.

Adding to 400431102 its reverse (201134004), we get a palindrome (601565106).

The spelling of 400431102 in words is "four hundred million, four hundred thirty-one thousand, one hundred two".