1806900480 has 864 divisors, whose sum is σ = 8220804480. Its totient is φ = 371589120.

The previous prime is 1806900461. The next prime is 1806900497. The reversal of 1806900480 is 840096081.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18627792 + ... + 18627888.

It is an arithmetic number, because the mean of its divisors is an integer number (9514820).

Almost surely, 2^1806900480 is an apocalyptic number.

1806900480 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 1806900480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4110402240).

1806900480 is an abundant number, since it is smaller than the sum of its proper divisors (6413904000).

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

1806900480 is a wasteful number, since it uses less digits than its factorization.

1806900480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1806900480 is about 42507.6520170192. The cubic root of 1806900480 is about 1217.9928655944.

The spelling of 1806900480 in words is "one billion, eight hundred six million, nine hundred thousand, four hundred eighty".