1040776074785 has 16 divisors (see below), whose sum is σ = 1295831768400. Its totient is φ = 801524269056.

The previous prime is 1040776074763. The next prime is 1040776074803. The reversal of 1040776074785 is 5874706770401.

It can be written as a sum of positive squares in 8 ways, for example, as 44460674449 + 996315400336 = 210857^2 + 998156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040776074785 - 2²⁶ = 1040708965921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040776074785.

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, 10600640 + ... + 10698369.

It is an arithmetic number, because the mean of its divisors is an integer number (80989485525).

Almost surely, 2^{1040776074785} is an apocalyptic number.

It is an amenable number.

1040776074785 is a deficient number, since it is larger than the sum of its proper divisors (255055693615).

1040776074785 is a wasteful number, since it uses less digits than its factorization.

1040776074785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299380.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 1040776074785 in words is "one trillion, forty billion, seven hundred seventy-six million, seventy-four thousand, seven hundred eighty-five".