400242000424 has 16 divisors (see below), whose sum is σ = 857661429600. Its totient is φ = 171532285872.

The previous prime is 400242000419. The next prime is 400242000427. The reversal of 400242000424 is 424000242004.

It is a junction number, because it is equal to n+sod(n) for n = 400242000395 and 400242000404.

It is not an unprimeable number, because it can be changed into a prime (400242000427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3573589234 + ... + 3573589345.

It is an arithmetic number, because the mean of its divisors is an integer number (53603839350).

Almost surely, 2^400242000424 is an apocalyptic number.

It is an amenable number.

400242000424 is an abundant number, since it is smaller than the sum of its proper divisors (457419429176).

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

400242000424 is a wasteful number, since it uses less digits than its factorization.

400242000424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147178592 (or 7147178588 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 400242000424 its reverse (424000242004), we get a palindrome (824242242428).

The spelling of 400242000424 in words is "four hundred billion, two hundred forty-two million, four hundred twenty-four", and thus it is an aban number.