402144301344 has 48 divisors (see below), whose sum is σ = 1067489811360. Its totient is φ = 132541939200.

The previous prime is 402144301319. The next prime is 402144301387. The reversal of 402144301344 is 443103441204.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23525182 + ... + 23542269.

It is an arithmetic number, because the mean of its divisors is an integer number (22239371070).

Almost surely, 2^402144301344 is an apocalyptic number.

It is an amenable number.

402144301344 is an abundant number, since it is smaller than the sum of its proper divisors (665345510016).

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

402144301344 is a wasteful number, since it uses less digits than its factorization.

402144301344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47067553 (or 47067545 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 402144301344 its reverse (443103441204), we get a palindrome (845247742548).

The spelling of 402144301344 in words is "four hundred two billion, one hundred forty-four million, three hundred one thousand, three hundred forty-four".