1800316340 has 48 divisors (see below), whose sum is σ = 3827174400. Its totient is φ = 711323520.

The previous prime is 1800316327. The next prime is 1800316373. The reversal of 1800316340 is 436130081.

It is a super-2 number, since 2×1800316340² = 6482277848141991200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 567599 + ... + 570761.

It is an arithmetic number, because the mean of its divisors is an integer number (79732800).

Almost surely, 2^1800316340 is an apocalyptic number.

1800316340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1800316340 is an abundant number, since it is smaller than the sum of its proper divisors (2026858060).

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

1800316340 is a wasteful number, since it uses less digits than its factorization.

1800316340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512 (or 3510 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1800316340 is about 42430.1348100616. The cubic root of 1800316340 is about 1216.5116558212.

It can be divided in two parts, 18003 and 16340, that added together give a palindrome (34343).

The spelling of 1800316340 in words is "one billion, eight hundred million, three hundred sixteen thousand, three hundred forty".