1840812480 has 392 divisors, whose sum is σ = 7089355392. Its totient is φ = 452376576.

The previous prime is 1840812451. The next prime is 1840812487. The reversal of 1840812480 is 842180481.

It is a happy number.

1840812480 is a `hidden beast` number, since 1 + 8 + 408 + 1 + 248 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840812487) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3032337 + ... + 3032943.

Almost surely, 2^1840812480 is an apocalyptic number.

1840812480 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 1840812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544677696).

1840812480 is an abundant number, since it is smaller than the sum of its proper divisors (5248542912).

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

1840812480 is an equidigital number, since it uses as much as digits as its factorization.

1840812480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 1840812480 is about 42904.6906526548. The cubic root of 1840812480 is about 1225.5654709894.

The spelling of 1840812480 in words is "one billion, eight hundred forty million, eight hundred twelve thousand, four hundred eighty".