1990675435392 has 96 divisors (see below), whose sum is σ = 6546715372080. Its totient is φ = 568764407808.

The previous prime is 1990675435373. The next prime is 1990675435417. The reversal of 1990675435392 is 2935345760991.

1990675435392 is a `hidden beast` number, since 1 + 9 + 90 + 6 + 7 + 5 + 4 + 3 + 539 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123421713 + ... + 123437840.

Almost surely, 2^{1990675435392} is an apocalyptic number.

1990675435392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1990675435392 is an abundant number, since it is smaller than the sum of its proper divisors (4556039936688).

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

1990675435392 is a wasteful number, since it uses less digits than its factorization.

1990675435392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246859580 (or 246859565 counting only the distinct ones).

The product of its (nonzero) digits is 55112400, while the sum is 63.

The spelling of 1990675435392 in words is "one trillion, nine hundred ninety billion, six hundred seventy-five million, four hundred thirty-five thousand, three hundred ninety-two".