400010023240424 has 64 divisors (see below), whose sum is σ = 809626649616000. Its totient is φ = 184709728403200.

The previous prime is 400010023240319. The next prime is 400010023240469. The reversal of 400010023240424 is 424042320010004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400010023240393 and 400010023240402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418446599 + ... + 419401449.

It is an arithmetic number, because the mean of its divisors is an integer number (12650416400250).

Almost surely, 2^{400010023240424} is an apocalyptic number.

It is an amenable number.

400010023240424 is an abundant number, since it is smaller than the sum of its proper divisors (409616626375576).

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

400010023240424 is a wasteful number, since it uses less digits than its factorization.

400010023240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033418 (or 1033414 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 400010023240424 its reverse (424042320010004), we get a palindrome (824052343250428).

The spelling of 400010023240424 in words is "four hundred trillion, ten billion, twenty-three million, two hundred forty thousand, four hundred twenty-four".