68441556 has 12 divisors (see below), whose sum is σ = 159696992. Its totient is φ = 22813848.

The previous prime is 68441533. The next prime is 68441557. The reversal of 68441556 is 65514486.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×68441556² = 9368493175402272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68441557) 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 3 ways as a sum of consecutive naturals, for example, 2851720 + ... + 2851743.

Almost surely, 2^68441556 is an apocalyptic number.

It is an amenable number.

68441556 is an abundant number, since it is smaller than the sum of its proper divisors (91255436).

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

68441556 is a wasteful number, since it uses less digits than its factorization.

68441556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703470 (or 5703468 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 68441556 is about 8272.9411940373. The cubic root of 68441556 is about 409.0470750430.

The spelling of 68441556 in words is "sixty-eight million, four hundred forty-one thousand, five hundred fifty-six".