1813406360 has 32 divisors (see below), whose sum is σ = 4294911600. Its totient is φ = 687185280.

The previous prime is 1813406351. The next prime is 1813406381. The reversal of 1813406360 is 636043181.

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, 1192271 + ... + 1193790.

Almost surely, 2^1813406360 is an apocalyptic number.

1813406360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1813406360 is an abundant number, since it is smaller than the sum of its proper divisors (2481505240).

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

1813406360 is a wasteful number, since it uses less digits than its factorization.

1813406360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386091 (or 2386087 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1813406360 is about 42584.1092427680. The cubic root of 1813406360 is about 1219.4529393568.

The spelling of 1813406360 in words is "one billion, eight hundred thirteen million, four hundred six thousand, three hundred sixty".