10809365376 has 128 divisors (see below), whose sum is σ = 29018787840. Its totient is φ = 3564922880.

The previous prime is 10809365363. The next prime is 10809365443. The reversal of 10809365376 is 67356390801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21489541 + ... + 21490043.

It is an arithmetic number, because the mean of its divisors is an integer number (226709280).

Almost surely, 2^10809365376 is an apocalyptic number.

10809365376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10809365376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14509393920).

10809365376 is an abundant number, since it is smaller than the sum of its proper divisors (18209422464).

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

10809365376 is a wasteful number, since it uses less digits than its factorization.

10809365376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 10809365376 in words is "ten billion, eight hundred nine million, three hundred sixty-five thousand, three hundred seventy-six".