400422403024 has 30 divisors (see below), whose sum is σ = 902482637154. Its totient is φ = 171609600960.

The previous prime is 400422402971. The next prime is 400422403037. The reversal of 400422403024 is 420304224004.

It can be written as a sum of positive squares in only one way, i.e., 252606760000 + 147815643024 = 502600^2 + 384468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400422403024.

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, 255370647 + ... + 255372214.

Almost surely, 2^400422403024 is an apocalyptic number.

It is an amenable number.

400422403024 is an abundant number, since it is smaller than the sum of its proper divisors (502060234130).

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

400422403024 is a wasteful number, since it uses less digits than its factorization.

400422403024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510742883 (or 510742870 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 400422403024 its reverse (420304224004), we get a palindrome (820726627028).

The spelling of 400422403024 in words is "four hundred billion, four hundred twenty-two million, four hundred three thousand, twenty-four".