400010123243004 has 24 divisors (see below), whose sum is σ = 936542472857040. Its totient is φ = 132881633658624.

The previous prime is 400010123242969. The next prime is 400010123243083. The reversal of 400010123243004 is 400342321010004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56884257469 + ... + 56884264500.

It is an arithmetic number, because the mean of its divisors is an integer number (39022603035710).

Almost surely, 2^{400010123243004} is an apocalyptic number.

It is an amenable number.

400010123243004 is an abundant number, since it is smaller than the sum of its proper divisors (536532349614036).

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

400010123243004 is a wasteful number, since it uses less digits than its factorization.

400010123243004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113768522269 (or 113768522267 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 400010123243004 its reverse (400342321010004), we get a palindrome (800352444253008).

The spelling of 400010123243004 in words is "four hundred trillion, ten billion, one hundred twenty-three million, two hundred forty-three thousand, four".