2421772080 has 640 divisors, whose sum is σ = 9866035200. Its totient is φ = 487710720.

The previous prime is 2421772069. The next prime is 2421772081. The reversal of 2421772080 is 802771242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421772081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33174924 + ... + 33174996.

It is an arithmetic number, because the mean of its divisors is an integer number (15415680).

Almost surely, 2^2421772080 is an apocalyptic number.

2421772080 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 2421772080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4933017600).

2421772080 is an abundant number, since it is smaller than the sum of its proper divisors (7444263120).

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

2421772080 is a wasteful number, since it uses less digits than its factorization.

2421772080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 2421772080 is about 49211.5035332187. The cubic root of 2421772080 is about 1342.9023155383.

The spelling of 2421772080 in words is "two billion, four hundred twenty-one million, seven hundred seventy-two thousand, eighty".