1808027480 has 48 divisors (see below), whose sum is σ = 4732240320. Its totient is φ = 619894464.

The previous prime is 1808027461. The next prime is 1808027483. The reversal of 1808027480 is 847208081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1808027483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459272 + ... + 463191.

It is an arithmetic number, because the mean of its divisors is an integer number (98588340).

Almost surely, 2^1808027480 is an apocalyptic number.

1808027480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1808027480 is an abundant number, since it is smaller than the sum of its proper divisors (2924212840).

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

1808027480 is a wasteful number, since it uses less digits than its factorization.

1808027480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922488 (or 922477 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 1808027480 is about 42520.9063873290. The cubic root of 1808027480 is about 1218.2460418087.

The spelling of 1808027480 in words is "one billion, eight hundred eight million, twenty-seven thousand, four hundred eighty".