3257422560 has 192 divisors, whose sum is σ = 13029811200. Its totient is φ = 744546816.

The previous prime is 3257422523. The next prime is 3257422589. The reversal of 3257422560 is 652247523.

3257422560 is a `hidden beast` number, since 3 + 2 + 5 + 74 + 22 + 560 = 666.

It is a super-2 number, since 2×3257422560² = 21221603468793907200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23620 + ... + 84099.

It is an arithmetic number, because the mean of its divisors is an integer number (67863600).

Almost surely, 2^3257422560 is an apocalyptic number.

3257422560 is a gapful number since it is divisible by the number (30) 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 3257422560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6514905600).

3257422560 is an abundant number, since it is smaller than the sum of its proper divisors (9772388640).

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

3257422560 is a wasteful number, since it uses less digits than its factorization.

3257422560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107750 (or 107736 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 3257422560 is about 57073.8342850732. The cubic root of 3257422560 is about 1482.3748334769.

The spelling of 3257422560 in words is "three billion, two hundred fifty-seven million, four hundred twenty-two thousand, five hundred sixty".