1840020480 has 264 divisors, whose sum is σ = 6474775632. Its totient is φ = 483065856.

The previous prime is 1840020467. The next prime is 1840020503. The reversal of 1840020480 is 840200481.

1840020480 is a `hidden beast` number, since 184 + 0 + 0 + 2 + 0 + 480 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3363567 + ... + 3364113.

Almost surely, 2^1840020480 is an apocalyptic number.

1840020480 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 1840020480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3237387816).

1840020480 is an abundant number, since it is smaller than the sum of its proper divisors (4634755152).

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

1840020480 is a wasteful number, since it uses less digits than its factorization.

1840020480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1840020480 is about 42895.4598996211. The cubic root of 1840020480 is about 1225.3896813853.

The spelling of 1840020480 in words is "one billion, eight hundred forty million, twenty thousand, four hundred eighty".