1990024792 has 32 divisors (see below), whose sum is σ = 4276461600. Its totient is φ = 850443264.

The previous prime is 1990024739. The next prime is 1990024823. The reversal of 1990024792 is 2974200991.

It is a congruent number.

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, 30567 + ... + 70102.

It is an arithmetic number, because the mean of its divisors is an integer number (133639425).

Almost surely, 2^1990024792 is an apocalyptic number.

It is an amenable number.

1990024792 is an abundant number, since it is smaller than the sum of its proper divisors (2286436808).

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

1990024792 is a wasteful number, since it uses less digits than its factorization.

1990024792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101035 (or 101031 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1990024792 is about 44609.6939240789. The cubic root of 1990024792 is about 1257.8228953416.

The spelling of 1990024792 in words is "one billion, nine hundred ninety million, twenty-four thousand, seven hundred ninety-two".