2873909340 has 144 divisors (see below), whose sum is σ = 9122899968. Its totient is φ = 730933632.

The previous prime is 2873909303. The next prime is 2873909341. The reversal of 2873909340 is 439093782.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873909341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1833237 + ... + 1834803.

It is an arithmetic number, because the mean of its divisors is an integer number (63353472).

Almost surely, 2^2873909340 is an apocalyptic number.

2873909340 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 2873909340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4561449984).

2873909340 is an abundant number, since it is smaller than the sum of its proper divisors (6248990628).

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

2873909340 is a wasteful number, since it uses less digits than its factorization.

2873909340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2873909340 is about 53608.8550521273. The cubic root of 2873909340 is about 1421.7536589541.

The spelling of 2873909340 in words is "two billion, eight hundred seventy-three million, nine hundred nine thousand, three hundred forty".