400214430 has 96 divisors (see below), whose sum is σ = 1297340928. Its totient is φ = 83160000.

The previous prime is 400214429. The next prime is 400214449. The reversal of 400214430 is 34412004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21946 + ... + 35805.

It is an arithmetic number, because the mean of its divisors is an integer number (13513968).

Almost surely, 2^400214430 is an apocalyptic number.

400214430 is an abundant number, since it is smaller than the sum of its proper divisors (897126498).

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

400214430 is a wasteful number, since it uses less digits than its factorization.

400214430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57782 (or 57779 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 400214430 is about 20005.3600317515. The cubic root of 400214430 is about 736.9379373540.

Adding to 400214430 its reverse (34412004), we get a palindrome (434626434).

The spelling of 400214430 in words is "four hundred million, two hundred fourteen thousand, four hundred thirty".