1799459020 has 24 divisors (see below), whose sum is σ = 3780726768. Its totient is φ = 719428800.

The previous prime is 1799459009. The next prime is 1799459023. The reversal of 1799459020 is 209549971.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1799459023) by changing a digit.

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, 21510 + ... + 63730.

It is an arithmetic number, because the mean of its divisors is an integer number (157530282).

Almost surely, 2^1799459020 is an apocalyptic number.

1799459020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1799459020 is an abundant number, since it is smaller than the sum of its proper divisors (1981267748).

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

1799459020 is a wasteful number, since it uses less digits than its factorization.

1799459020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44361 (or 44359 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1799459020 is about 42420.0308816484. The cubic root of 1799459020 is about 1216.3185221027.

The spelling of 1799459020 in words is "one billion, seven hundred ninety-nine million, four hundred fifty-nine thousand, twenty".