1812822960 has 160 divisors (see below), whose sum is σ = 6247600128. Its totient is φ = 431815680.

The previous prime is 1812822883. The next prime is 1812822961. The reversal of 1812822960 is 692282181.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1812822961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87349 + ... + 106091.

Almost surely, 2^1812822960 is an apocalyptic number.

1812822960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1812822960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3123800064).

1812822960 is an abundant number, since it is smaller than the sum of its proper divisors (4434777168).

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

1812822960 is a wasteful number, since it uses less digits than its factorization.

1812822960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18803 (or 18797 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 1812822960 is about 42577.2587187104. The cubic root of 1812822960 is about 1219.3221532358.

The spelling of 1812822960 in words is "one billion, eight hundred twelve million, eight hundred twenty-two thousand, nine hundred sixty".