1959794659880 has 64 divisors (see below), whose sum is σ = 4529294442000. Its totient is φ = 762633252864.

The previous prime is 1959794659847. The next prime is 1959794659931. The reversal of 1959794659880 is 889564979591.

It can be written as a sum of positive squares in 8 ways, for example, as 557223432676 + 1402571227204 = 746474^2 + 1184302^2 .

It is a super-2 number, since 2×1959794659880² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1959794659795 and 1959794659804.

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, 12068666 + ... + 12229974.

Almost surely, 2^{1959794659880} is an apocalyptic number.

1959794659880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1959794659880 is an abundant number, since it is smaller than the sum of its proper divisors (2569499782120).

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

1959794659880 is a wasteful number, since it uses less digits than its factorization.

1959794659880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169566 (or 169562 counting only the distinct ones).

The product of its (nonzero) digits is 1763596800, while the sum is 80.

The spelling of 1959794659880 in words is "one trillion, nine hundred fifty-nine billion, seven hundred ninety-four million, six hundred fifty-nine thousand, eight hundred eighty".