190409633982 has 20 divisors (see below), whose sum is σ = 426658624656. Its totient is φ = 63469877940.

The previous prime is 190409633891. The next prime is 190409634011. The reversal of 190409633982 is 289336904091.

190409633982 is a `hidden beast` number, since 1 + 90 + 409 + 63 + 3 + 98 + 2 = 666.

190409633982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 587683894 + ... + 587684217.

Almost surely, 2^190409633982 is an apocalyptic number.

190409633982 is an abundant number, since it is smaller than the sum of its proper divisors (236248990674).

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

190409633982 is a wasteful number, since it uses less digits than its factorization.

190409633982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175368125 (or 1175368116 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 190409633982 in words is "one hundred ninety billion, four hundred nine million, six hundred thirty-three thousand, nine hundred eighty-two".