10791776640 has 128 divisors (see below), whose sum is σ = 35894534400. Its totient is φ = 2752673792.

The previous prime is 10791776629. The next prime is 10791776657. The reversal of 10791776640 is 4667719701.

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 self number, because there is not a number n which added to its sum of digits gives 10791776640.

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, 78030 + ... + 166349.

It is an arithmetic number, because the mean of its divisors is an integer number (280426050).

Almost surely, 2^10791776640 is an apocalyptic number.

10791776640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10791776640 is an abundant number, since it is smaller than the sum of its proper divisors (25102757760).

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

10791776640 is a wasteful number, since it uses less digits than its factorization.

10791776640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244424 (or 244412 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 10791776640 in words is "ten billion, seven hundred ninety-one million, seven hundred seventy-six thousand, six hundred forty".