68442260 has 48 divisors (see below), whose sum is σ = 146627712. Its totient is φ = 26832000.

The previous prime is 68442251. The next prime is 68442271. The reversal of 68442260 is 6224486.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395534 + ... + 395706.

It is an arithmetic number, because the mean of its divisors is an integer number (3054744).

Almost surely, 2^68442260 is an apocalyptic number.

It is an amenable number.

68442260 is an abundant number, since it is smaller than the sum of its proper divisors (78185452).

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

68442260 is a wasteful number, since it uses less digits than its factorization.

68442260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 68442260 is about 8272.9837422782. The cubic root of 68442260 is about 409.0484775445.

The spelling of 68442260 in words is "sixty-eight million, four hundred forty-two thousand, two hundred sixty".