402144441324 has 48 divisors (see below), whose sum is σ = 993580156800. Its totient is φ = 126157015296.

The previous prime is 402144441313. The next prime is 402144441337. The reversal of 402144441324 is 423144441204.

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, 6656847 + ... + 6716985.

It is an arithmetic number, because the mean of its divisors is an integer number (20699586600).

Almost surely, 2^402144441324 is an apocalyptic number.

It is an amenable number.

402144441324 is an abundant number, since it is smaller than the sum of its proper divisors (591435715476).

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

402144441324 is a wasteful number, since it uses less digits than its factorization.

402144441324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92942 (or 92940 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 402144441324 its reverse (423144441204), we get a palindrome (825288882528).

The spelling of 402144441324 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-one thousand, three hundred twenty-four".