402144340300 has 18 divisors (see below), whose sum is σ = 872653218668. Its totient is φ = 160857736080.

The previous prime is 402144340291. The next prime is 402144340321. The reversal of 402144340300 is 3043441204.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2010721602 + ... + 2010721801.

Almost surely, 2^402144340300 is an apocalyptic number.

It is an amenable number.

402144340300 is an abundant number, since it is smaller than the sum of its proper divisors (470508878368).

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

402144340300 is a wasteful number, since it uses less digits than its factorization.

402144340300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021443417 (or 4021443410 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402144340300 its reverse (3043441204), we get a palindrome (405187781504).

The spelling of 402144340300 in words is "four hundred two billion, one hundred forty-four million, three hundred forty thousand, three hundred".