400435230 has 32 divisors (see below), whose sum is σ = 1034972064. Its totient is φ = 98568576.

The previous prime is 400435229. The next prime is 400435247. The reversal of 400435230 is 32534004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400435197 and 400435206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512989 + ... + 513768.

It is an arithmetic number, because the mean of its divisors is an integer number (32342877).

Almost surely, 2^400435230 is an apocalyptic number.

400435230 is an abundant number, since it is smaller than the sum of its proper divisors (634536834).

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

400435230 is a wasteful number, since it uses less digits than its factorization.

400435230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026780.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 400435230 is about 20010.8777918411. The cubic root of 400435230 is about 737.0734363681.

Adding to 400435230 its reverse (32534004), we get a palindrome (432969234).

The spelling of 400435230 in words is "four hundred million, four hundred thirty-five thousand, two hundred thirty".