402144309930 has 64 divisors (see below), whose sum is σ = 1089193392000. Its totient is φ = 94127819520.

The previous prime is 402144309929. The next prime is 402144309947. The reversal of 402144309930 is 39903441204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21001105 + ... + 21020244.

It is an arithmetic number, because the mean of its divisors is an integer number (17018646750).

Almost surely, 2^402144309930 is an apocalyptic number.

402144309930 is an abundant number, since it is smaller than the sum of its proper divisors (687049082070).

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

402144309930 is a wasteful number, since it uses less digits than its factorization.

402144309930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42021399.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 402144309930 in words is "four hundred two billion, one hundred forty-four million, three hundred nine thousand, nine hundred thirty".