2430042281 has 8 divisors (see below), whose sum is σ = 2437359624. Its totient is φ = 2422736640.

The previous prime is 2430042191. The next prime is 2430042313. The reversal of 2430042281 is 1822400342.

It can be written as a sum of positive squares in 4 ways, for example, as 12845056 + 2417197225 = 3584^2 + 49165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2430042281 - 2¹⁸ = 2429780137 is a prime.

It is a super-2 number, since 2×2430042281² = 11810210974895365922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2430042281.

It is not an unprimeable number, because it can be changed into a prime (2430045281) 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 7 ways as a sum of consecutive naturals, for example, 566561 + ... + 570833.

It is an arithmetic number, because the mean of its divisors is an integer number (304669953).

Almost surely, 2^2430042281 is an apocalyptic number.

It is an amenable number.

2430042281 is a deficient number, since it is larger than the sum of its proper divisors (7317343).

2430042281 is a wasteful number, since it uses less digits than its factorization.

2430042281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2430042281 is about 49295.4590302190. The cubic root of 2430042281 is about 1344.4292213818.

The spelling of 2430042281 in words is "two billion, four hundred thirty million, forty-two thousand, two hundred eighty-one".