1990310076 has 24 divisors (see below), whose sum is σ = 5160063440. Its totient is φ = 663436656.

The previous prime is 1990310051. The next prime is 1990310087. The reversal of 1990310076 is 6700130991.

It is a super-2 number, since 2×1990310076² = 7922668397254251552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1990310076.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9214291 + ... + 9214506.

Almost surely, 2^1990310076 is an apocalyptic number.

It is an amenable number.

1990310076 is an abundant number, since it is smaller than the sum of its proper divisors (3169753364).

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

1990310076 is a wasteful number, since it uses less digits than its factorization.

1990310076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18428810 (or 18428802 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 1990310076 is about 44612.8913656131. The cubic root of 1990310076 is about 1257.8829983786.

The spelling of 1990310076 in words is "one billion, nine hundred ninety million, three hundred ten thousand, seventy-six".