68344555542 has 32 divisors (see below), whose sum is σ = 141328849920. Its totient is φ = 22010628960.

The previous prime is 68344555537. The next prime is 68344555547. The reversal of 68344555542 is 24555544386.

It is an interprime number because it is at equal distance from previous prime (68344555537) and next prime (68344555547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68344555547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185692 + ... + 413727.

It is an arithmetic number, because the mean of its divisors is an integer number (4416526560).

Almost surely, 2^68344555542 is an apocalyptic number.

68344555542 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

68344555542 is an abundant number, since it is smaller than the sum of its proper divisors (72984294378).

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

68344555542 is a wasteful number, since it uses less digits than its factorization.

68344555542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600068.

The product of its digits is 11520000, while the sum is 51.

The spelling of 68344555542 in words is "sixty-eight billion, three hundred forty-four million, five hundred fifty-five thousand, five hundred forty-two".