64262256 has 80 divisors (see below), whose sum is σ = 180464640. Its totient is φ = 19630080.

The previous prime is 64262251. The next prime is 64262267. The reversal of 64262256 is 65226246.

It is a super-5 number, since 5×64262256⁵ (a number of 40 digits) contains 55555 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64262251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27136 + ... + 29408.

It is an arithmetic number, because the mean of its divisors is an integer number (2255808).

Almost surely, 2^64262256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64262256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90232320).

64262256 is an abundant number, since it is smaller than the sum of its proper divisors (116202384).

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

64262256 is a wasteful number, since it uses less digits than its factorization.

64262256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334 (or 2328 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 64262256 is about 8016.3742427609. The cubic root of 64262256 is about 400.5456220697.

The spelling of 64262256 in words is "sixty-four million, two hundred sixty-two thousand, two hundred fifty-six".