68264087580 has 384 divisors, whose sum is σ = 237615033600. Its totient is φ = 16160145408.

The previous prime is 68264087579. The next prime is 68264087629. The reversal of 68264087580 is 8578046286.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 23115384 + ... + 23118336.

It is an arithmetic number, because the mean of its divisors is an integer number (618789150).

Almost surely, 2^68264087580 is an apocalyptic number.

68264087580 is a gapful number since it is divisible by the number (60) 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 68264087580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118807516800).

68264087580 is an abundant number, since it is smaller than the sum of its proper divisors (169350946020).

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

68264087580 is a wasteful number, since it uses less digits than its factorization.

68264087580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110 (or 3102 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 68264087580 in words is "sixty-eight billion, two hundred sixty-four million, eighty-seven thousand, five hundred eighty".