402610641560 has 16 divisors (see below), whose sum is σ = 905873943600. Its totient is φ = 161044256608.

The previous prime is 402610641539. The next prime is 402610641647. The reversal of 402610641560 is 65146016204.

It is a self number, because there is not a number n which added to its sum of digits gives 402610641560.

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, 5032632980 + ... + 5032633059.

It is an arithmetic number, because the mean of its divisors is an integer number (56617121475).

Almost surely, 2^402610641560 is an apocalyptic number.

402610641560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402610641560 is an abundant number, since it is smaller than the sum of its proper divisors (503263302040).

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

402610641560 is a wasteful number, since it uses less digits than its factorization.

402610641560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065266050 (or 10065266046 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 402610641560 its reverse (65146016204), we get a palindrome (467756657764).

The spelling of 402610641560 in words is "four hundred two billion, six hundred ten million, six hundred forty-one thousand, five hundred sixty".