2421595995156 has 144 divisors (see below), whose sum is σ = 6612627582288. Its totient is φ = 742791168000.

The previous prime is 2421595995151. The next prime is 2421595995227. The reversal of 2421595995156 is 6515995951242.

2421595995156 is a `hidden beast` number, since 2 + 4 + 21 + 5 + 9 + 5 + 99 + 515 + 6 = 666.

2421595995156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2743664400 + 2418852330756 = 52380^2 + 1555266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2421595995093 and 2421595995102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421595995151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428067880 + ... + 428073536.

It is an arithmetic number, because the mean of its divisors is an integer number (45921024877).

Almost surely, 2^{2421595995156} is an apocalyptic number.

2421595995156 is a gapful number since it is divisible by the number (26) 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 2421595995156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306313791144).

2421595995156 is an abundant number, since it is smaller than the sum of its proper divisors (4191031587132).

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

2421595995156 is a wasteful number, since it uses less digits than its factorization.

2421595995156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362 (or 8357 counting only the distinct ones).

The product of its digits is 43740000, while the sum is 63.

The spelling of 2421595995156 in words is "two trillion, four hundred twenty-one billion, five hundred ninety-five million, nine hundred ninety-five thousand, one hundred fifty-six".