402314316640 has 24 divisors (see below), whose sum is σ = 950467573440. Its totient is φ = 160925726592.

The previous prime is 402314316589. The next prime is 402314316667. The reversal of 402314316640 is 46613413204.

It is a junction number, because it is equal to n+sod(n) for n = 402314316596 and 402314316605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257232080 + ... + 1257232399.

It is an arithmetic number, because the mean of its divisors is an integer number (39602815560).

Almost surely, 2^402314316640 is an apocalyptic number.

402314316640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402314316640 is an abundant number, since it is smaller than the sum of its proper divisors (548153256800).

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

402314316640 is a wasteful number, since it uses less digits than its factorization.

402314316640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514464494 (or 2514464486 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 402314316640 its reverse (46613413204), we get a palindrome (448927729844).

The spelling of 402314316640 in words is "four hundred two billion, three hundred fourteen million, three hundred sixteen thousand, six hundred forty".