400414444 has 24 divisors (see below), whose sum is σ = 720840848. Its totient is φ = 194477760.

The previous prime is 400414439. The next prime is 400414453. The reversal of 400414444 is 444414004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106639 + ... + 110329.

Almost surely, 2^400414444 is an apocalyptic number.

It is an amenable number.

400414444 is a deficient number, since it is larger than the sum of its proper divisors (320426404).

400414444 is a wasteful number, since it uses less digits than its factorization.

400414444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 400414444 is about 20010.3584175796. The cubic root of 400414444 is about 737.0606826838.

Adding to 400414444 its reverse (444414004), we get a palindrome (844828448).

The spelling of 400414444 in words is "four hundred million, four hundred fourteen thousand, four hundred forty-four".