2573989320 has 128 divisors (see below), whose sum is σ = 8864640000. Its totient is φ = 585705216.

The previous prime is 2573989289. The next prime is 2573989339. The reversal of 2573989320 is 239893752.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2573989320.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183931 + ... + 197429.

It is an arithmetic number, because the mean of its divisors is an integer number (69255000).

Almost surely, 2^2573989320 is an apocalyptic number.

2573989320 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 2573989320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4432320000).

2573989320 is an abundant number, since it is smaller than the sum of its proper divisors (6290650680).

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

2573989320 is a wasteful number, since it uses less digits than its factorization.

2573989320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13747 (or 13743 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 2573989320 is about 50734.4983221476. The cubic root of 2573989320 is about 1370.4680447434.

The spelling of 2573989320 in words is "two billion, five hundred seventy-three million, nine hundred eighty-nine thousand, three hundred twenty".