400445200238 has 8 divisors (see below), whose sum is σ = 636001200432. Its totient is φ = 188444800096.

The previous prime is 400445200237. The next prime is 400445200279. The reversal of 400445200238 is 832002544004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400445200231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5888899970 + ... + 5888900037.

It is an arithmetic number, because the mean of its divisors is an integer number (79500150054).

Almost surely, 2^400445200238 is an apocalyptic number.

400445200238 is a deficient number, since it is larger than the sum of its proper divisors (235556000194).

400445200238 is a wasteful number, since it uses less digits than its factorization.

400445200238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11777800026.

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 400445200238 in words is "four hundred billion, four hundred forty-five million, two hundred thousand, two hundred thirty-eight".