1019890040776 has 16 divisors (see below), whose sum is σ = 1916552839500. Its totient is φ = 508809283584.

The previous prime is 1019890040759. The next prime is 1019890040833. The reversal of 1019890040776 is 6770400989101.

It can be written as a sum of positive squares in 2 ways, for example, as 1009964700900 + 9925339876 = 1004970^2 + 99626^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141963285 + ... + 141970468.

Almost surely, 2^{1019890040776} is an apocalyptic number.

It is an amenable number.

1019890040776 is a deficient number, since it is larger than the sum of its proper divisors (896662798724).

1019890040776 is a wasteful number, since it uses less digits than its factorization.

1019890040776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283934208 (or 283934204 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 1019890040776 in words is "one trillion, nineteen billion, eight hundred ninety million, forty thousand, seven hundred seventy-six".