2400404438 has 16 divisors (see below), whose sum is σ = 3630813120. Its totient is φ = 1190147400.

The previous prime is 2400404429. The next prime is 2400404477. The reversal of 2400404438 is 8344040042.

2400404438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2400404438.

It is a congruent 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, 471953 + ... + 477011.

It is an arithmetic number, because the mean of its divisors is an integer number (226925820).

Almost surely, 2^2400404438 is an apocalyptic number.

2400404438 is a deficient number, since it is larger than the sum of its proper divisors (1230408682).

2400404438 is a wasteful number, since it uses less digits than its factorization.

2400404438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7003.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 2400404438 is about 48993.9224598317. The cubic root of 2400404438 is about 1338.9411026412.

The spelling of 2400404438 in words is "two billion, four hundred million, four hundred four thousand, four hundred thirty-eight".