2560422421 has 8 divisors (see below), whose sum is σ = 2611038240. Its totient is φ = 2509892112.

The previous prime is 2560422391. The next prime is 2560422451. The reversal of 2560422421 is 1242240652.

It is an interprime number because it is at equal distance from previous prime (2560422391) and next prime (2560422451).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2560422421 is a prime.

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 2560422421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560422451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40870 + ... + 82408.

It is an arithmetic number, because the mean of its divisors is an integer number (326379780).

Almost surely, 2^2560422421 is an apocalyptic number.

It is an amenable number.

2560422421 is a deficient number, since it is larger than the sum of its proper divisors (50615819).

2560422421 is a wasteful number, since it uses less digits than its factorization.

2560422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42755.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2560422421 is about 50600.6168045410. The cubic root of 2560422421 is about 1368.0559958854.

The spelling of 2560422421 in words is "two billion, five hundred sixty million, four hundred twenty-two thousand, four hundred twenty-one".