402240321312004 has 96 divisors (see below), whose sum is σ = 807460928418816. Its totient is φ = 171751536552960.

The previous prime is 402240321311971. The next prime is 402240321312113. The reversal of 402240321312004 is 400213123042204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19969225957 + ... + 19969246099.

It is an arithmetic number, because the mean of its divisors is an integer number (8411051337696).

Almost surely, 2^{402240321312004} is an apocalyptic number.

It is an amenable number.

402240321312004 is an abundant number, since it is smaller than the sum of its proper divisors (405220607106812).

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

402240321312004 is a wasteful number, since it uses less digits than its factorization.

402240321312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23045 (or 23043 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 402240321312004 its reverse (400213123042204), we get a palindrome (802453444354208).

The spelling of 402240321312004 in words is "four hundred two trillion, two hundred forty billion, three hundred twenty-one million, three hundred twelve thousand, four".