400432014 has 12 divisors (see below), whose sum is σ = 867602736. Its totient is φ = 133477332.

The previous prime is 400432009. The next prime is 400432037. The reversal of 400432014 is 410234004.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22246223 = 400432014 / (4 + 0 + 0 + 4 + 3 + 2 + 0 + 1 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11123094 + ... + 11123129.

It is an arithmetic number, because the mean of its divisors is an integer number (72300228).

Almost surely, 2^400432014 is an apocalyptic number.

400432014 is an abundant number, since it is smaller than the sum of its proper divisors (467170722).

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

400432014 is a wasteful number, since it uses less digits than its factorization.

400432014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22246231 (or 22246228 counting only the distinct ones).

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

The square root of 400432014 is about 20010.7974353847. The cubic root of 400432014 is about 737.0714631530.

Adding to 400432014 its reverse (410234004), we get a palindrome (810666018).

The spelling of 400432014 in words is "four hundred million, four hundred thirty-two thousand, fourteen".