2463894840 has 256 divisors, whose sum is σ = 8366561280. Its totient is φ = 575285760.

The previous prime is 2463894833. The next prime is 2463894857. The reversal of 2463894840 is 484983642.

It is a self number, because there is not a number n which added to its sum of digits gives 2463894840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4710819 + ... + 4711341.

It is an arithmetic number, because the mean of its divisors is an integer number (32681880).

Almost surely, 2^2463894840 is an apocalyptic number.

2463894840 is a gapful number since it is divisible by the number (20) 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 2463894840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4183280640).

2463894840 is an abundant number, since it is smaller than the sum of its proper divisors (5902666440).

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

2463894840 is a wasteful number, since it uses less digits than its factorization.

2463894840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The square root of 2463894840 is about 49637.6353183751. The cubic root of 2463894840 is about 1350.6434682808.

The spelling of 2463894840 in words is "two billion, four hundred sixty-three million, eight hundred ninety-four thousand, eight hundred forty".