1990462419 has 12 divisors (see below), whose sum is σ = 3136486392. Its totient is φ = 1206340800.

The previous prime is 1990462417. The next prime is 1990462423. The reversal of 1990462419 is 9142640991.

1990462419 is a `hidden beast` number, since 1 + 9 + 9 + 0 + 4 + 624 + 19 = 666.

1990462419 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1990462419 - 2¹ = 1990462417 is a prime.

It is a super-2 number, since 2×1990462419² = 7923881282902663122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1990462417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10052742 + ... + 10052939.

It is an arithmetic number, because the mean of its divisors is an integer number (261373866).

Almost surely, 2^1990462419 is an apocalyptic number.

1990462419 is a deficient number, since it is larger than the sum of its proper divisors (1146023973).

1990462419 is a wasteful number, since it uses less digits than its factorization.

1990462419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20105698 (or 20105695 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1990462419 is about 44614.5987205982. The cubic root of 1990462419 is about 1257.9150913311.

The spelling of 1990462419 in words is "one billion, nine hundred ninety million, four hundred sixty-two thousand, four hundred nineteen".