1812612360 has 64 divisors (see below), whose sum is σ = 5856137280. Its totient is φ = 446181120.

The previous prime is 1812612341. The next prime is 1812612367. The reversal of 1812612360 is 632162181.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1812612367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579406 + ... + 582525.

It is an arithmetic number, because the mean of its divisors is an integer number (91502145).

Almost surely, 2^1812612360 is an apocalyptic number.

1812612360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1812612360 is an abundant number, since it is smaller than the sum of its proper divisors (4043524920).

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

1812612360 is a wasteful number, since it uses less digits than its factorization.

1812612360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161958 (or 1161954 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1812612360 is about 42574.7854956428. The cubic root of 1812612360 is about 1219.2749342122.

The spelling of 1812612360 in words is "one billion, eight hundred twelve million, six hundred twelve thousand, three hundred sixty".