10400772565 has 8 divisors (see below), whose sum is σ = 12482835840. Its totient is φ = 8319345552.

The previous prime is 10400772559. The next prime is 10400772581. The reversal of 10400772565 is 56527700401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10400772565 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122329 + ... + 189118.

It is an arithmetic number, because the mean of its divisors is an integer number (1560354480).

Almost surely, 2^10400772565 is an apocalyptic number.

It is an amenable number.

10400772565 is a deficient number, since it is larger than the sum of its proper divisors (2082063275).

10400772565 is an equidigital number, since it uses as much as digits as its factorization.

10400772565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318131.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 10400772565 in words is "ten billion, four hundred million, seven hundred seventy-two thousand, five hundred sixty-five".