1799791040 has 56 divisors (see below), whose sum is σ = 4433559840. Its totient is φ = 695088128.

The previous prime is 1799791033. The next prime is 1799791067. The reversal of 1799791040 is 401979971.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87692 + ... + 106251.

Almost surely, 2^1799791040 is an apocalyptic number.

1799791040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1799791040 is an abundant number, since it is smaller than the sum of its proper divisors (2633768800).

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

1799791040 is a wasteful number, since it uses less digits than its factorization.

1799791040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193989 (or 193979 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 47.

The square root of 1799791040 is about 42423.9441825015. The cubic root of 1799791040 is about 1216.3933255549.

The spelling of 1799791040 in words is "one billion, seven hundred ninety-nine million, seven hundred ninety-one thousand, forty".