400034464 has 24 divisors (see below), whose sum is σ = 794544660. Its totient is φ = 198245376.

The previous prime is 400034449. The next prime is 400034471. The reversal of 400034464 is 464430004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 293779600 + 106254864 = 17140^2 + 10308^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51699 + ... + 58930.

Almost surely, 2^400034464 is an apocalyptic number.

It is an amenable number.

400034464 is a deficient number, since it is larger than the sum of its proper divisors (394510196).

400034464 is a wasteful number, since it uses less digits than its factorization.

400034464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110752 (or 110744 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 400034464 is about 20000.8615814419. The cubic root of 400034464 is about 736.8274601973.

Adding to 400034464 its reverse (464430004), we get a palindrome (864464468).

The spelling of 400034464 in words is "four hundred million, thirty-four thousand, four hundred sixty-four".