1040909569878 has 16 divisors (see below), whose sum is σ = 2085991128000. Its totient is φ = 346274525256.

The previous prime is 1040909569877. The next prime is 1040909569949. The reversal of 1040909569878 is 8789659090401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040909569877) 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, 173829600 + ... + 173835587.

It is an arithmetic number, because the mean of its divisors is an integer number (130374445500).

Almost surely, 2^{1040909569878} is an apocalyptic number.

1040909569878 is an abundant number, since it is smaller than the sum of its proper divisors (1045081558122).

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

1040909569878 is a wasteful number, since it uses less digits than its factorization.

1040909569878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347665691.

The product of its (nonzero) digits is 39191040, while the sum is 66.

The spelling of 1040909569878 in words is "one trillion, forty billion, nine hundred nine million, five hundred sixty-nine thousand, eight hundred seventy-eight".