2432721280 has 256 divisors, whose sum is σ = 6683627520. Its totient is φ = 838656000.

The previous prime is 2432721257. The next prime is 2432721281. The reversal of 2432721280 is 821272342.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2432721281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15494962 + ... + 15495118.

It is an arithmetic number, because the mean of its divisors is an integer number (26107920).

Almost surely, 2^2432721280 is an apocalyptic number.

2432721280 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 2432721280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3341813760).

2432721280 is an abundant number, since it is smaller than the sum of its proper divisors (4250906240).

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

2432721280 is a wasteful number, since it uses less digits than its factorization.

2432721280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2432721280 is about 49322.6244232806. The cubic root of 2432721280 is about 1344.9230950624.

The spelling of 2432721280 in words is "two billion, four hundred thirty-two million, seven hundred twenty-one thousand, two hundred eighty".