68441837760 has 140 divisors (see below), whose sum is σ = 243459749808. Its totient is φ = 18251149824.

The previous prime is 68441837749. The next prime is 68441837809. The reversal of 68441837760 is 6773814486.

68441837760 is a `hidden beast` number, since 68 + 441 + 83 + 7 + 7 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 68441837697 and 68441837706.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1294332 + ... + 1346171.

Almost surely, 2^68441837760 is an apocalyptic number.

68441837760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68441837760 is an abundant number, since it is smaller than the sum of its proper divisors (175017912048).

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

68441837760 is a wasteful number, since it uses less digits than its factorization.

68441837760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640532 (or 2640513 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 68441837760 in words is "sixty-eight billion, four hundred forty-one million, eight hundred thirty-seven thousand, seven hundred sixty".