1040448820794 has 16 divisors (see below), whose sum is σ = 2080915677120. Its totient is φ = 346813267680.

The previous prime is 1040448820793. The next prime is 1040448820799. The reversal of 1040448820794 is 4970288440401.

It is not an unprimeable number, because it can be changed into a prime (1040448820793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67059 + ... + 1444089.

It is an arithmetic number, because the mean of its divisors is an integer number (130057229820).

Almost surely, 2^{1040448820794} is an apocalyptic number.

1040448820794 is an abundant number, since it is smaller than the sum of its proper divisors (1040466856326).

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

1040448820794 is a wasteful number, since it uses less digits than its factorization.

1040448820794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502965.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 1040448820794 in words is "one trillion, forty billion, four hundred forty-eight million, eight hundred twenty thousand, seven hundred ninety-four".