2421289472 has 240 divisors, whose sum is σ = 6176301120. Its totient is φ = 925655040.
The previous prime is 2421289457. The next prime is 2421289513. The reversal of 2421289472 is 2749821242.
Its product of digits (129024) is a multiple of the sum of its prime divisors (96).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65440238 + ... + 65440274.
It is an arithmetic number, because the mean of its divisors is an integer number (25734588).
Almost surely, 22421289472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2421289472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3088150560).
2421289472 is an abundant number, since it is smaller than the sum of its proper divisors (3755011648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2421289472 is an equidigital number, since it uses as much as digits as its factorization.
2421289472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143 (or 96 counting only the distinct ones).
The product of its digits is 129024, while the sum is 41.
The square root of 2421289472 is about 49206.5998825361. The cubic root of 2421289472 is about 1342.8131055942.
The spelling of 2421289472 in words is "two billion, four hundred twenty-one million, two hundred eighty-nine thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •