400744414 has 32 divisors (see below), whose sum is σ = 706519296. Its totient is φ = 166898880.

The previous prime is 400744411. The next prime is 400744423. The reversal of 400744414 is 414447004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400744411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161209 + ... + 163675.

It is an arithmetic number, because the mean of its divisors is an integer number (22078728).

Almost surely, 2^400744414 is an apocalyptic number.

400744414 is a deficient number, since it is larger than the sum of its proper divisors (305774882).

400744414 is a wasteful number, since it uses less digits than its factorization.

400744414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 7168, while the sum is 28.

The square root of 400744414 is about 20018.6016994195. The cubic root of 400744414 is about 737.2630905812.

The spelling of 400744414 in words is "four hundred million, seven hundred forty-four thousand, four hundred fourteen".