810352638460 has 48 divisors (see below), whose sum is σ = 1708908062400. Its totient is φ = 322777004544.

The previous prime is 810352638451. The next prime is 810352638467. The reversal of 810352638460 is 64836253018.

It is a self number, because there is not a number n which added to its sum of digits gives 810352638460.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810352638467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11202769 + ... + 11274871.

It is an arithmetic number, because the mean of its divisors is an integer number (35602251300).

Almost surely, 2^810352638460 is an apocalyptic number.

It is an amenable number.

810352638460 is an abundant number, since it is smaller than the sum of its proper divisors (898555423940).

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

810352638460 is a wasteful number, since it uses less digits than its factorization.

810352638460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74470 (or 74468 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 810352638460 in words is "eight hundred ten billion, three hundred fifty-two million, six hundred thirty-eight thousand, four hundred sixty".