10291781304 has 96 divisors (see below), whose sum is σ = 32153397120. Its totient is φ = 2913012288.

The previous prime is 10291781299. The next prime is 10291781323. The reversal of 10291781304 is 40318719201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41494 + ... + 149349.

It is an arithmetic number, because the mean of its divisors is an integer number (334931220).

Almost surely, 2^10291781304 is an apocalyptic number.

10291781304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

10291781304 is an abundant number, since it is smaller than the sum of its proper divisors (21861615816).

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

10291781304 is a wasteful number, since it uses less digits than its factorization.

10291781304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190969 (or 190962 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 10291781304 in words is "ten billion, two hundred ninety-one million, seven hundred eighty-one thousand, three hundred four".