1890961675880 has 32 divisors (see below), whose sum is σ = 4255750328040. Its totient is φ = 756191504640.

The previous prime is 1890961675849. The next prime is 1890961675919. The reversal of 1890961675880 is 885761690981.

It can be written as a sum of positive squares in 4 ways, for example, as 1200703126756 + 690258549124 = 1095766^2 + 830818^2 .

It is a super-3 number, since 3×1890961675880³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1890961675880.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5877791 + ... + 6191150.

Almost surely, 2^{1890961675880} is an apocalyptic number.

1890961675880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1890961675880 is an abundant number, since it is smaller than the sum of its proper divisors (2364788652160).

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

1890961675880 is a wasteful number, since it uses less digits than its factorization.

1890961675880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12072869 (or 12072865 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 68.

The spelling of 1890961675880 in words is "one trillion, eight hundred ninety billion, nine hundred sixty-one million, six hundred seventy-five thousand, eight hundred eighty".