2873409840 has 480 divisors, whose sum is σ = 11632398336. Its totient is φ = 621803520.

The previous prime is 2873409839. The next prime is 2873409859. The reversal of 2873409840 is 489043782.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 8280547 + ... + 8280893.

Almost surely, 2^2873409840 is an apocalyptic number.

2873409840 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 2873409840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5816199168).

2873409840 is an abundant number, since it is smaller than the sum of its proper divisors (8758988496).

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

2873409840 is a wasteful number, since it uses less digits than its factorization.

2873409840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 2873409840 is about 53604.1961044096. The cubic root of 2873409840 is about 1421.6712848524.

The spelling of 2873409840 in words is "two billion, eight hundred seventy-three million, four hundred nine thousand, eight hundred forty".