2421326128 has 40 divisors (see below), whose sum is σ = 5067328448. Its totient is φ = 1114186752.

The previous prime is 2421326113. The next prime is 2421326183. The reversal of 2421326128 is 8216231242.

It is a super-3 number, since 3×2421326128³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2421326128.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52825 + ... + 87367.

Almost surely, 2^2421326128 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 2421326128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533664224).

2421326128 is an abundant number, since it is smaller than the sum of its proper divisors (2646002320).

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

2421326128 is a wasteful number, since it uses less digits than its factorization.

2421326128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34901 (or 34895 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2421326128 is about 49206.9723514869. The cubic root of 2421326128 is about 1342.8198818608.

The spelling of 2421326128 in words is "two billion, four hundred twenty-one million, three hundred twenty-six thousand, one hundred twenty-eight".