68412026520 has 160 divisors (see below), whose sum is σ = 231271452720. Its totient is φ = 18137606400.

The previous prime is 68412026483. The next prime is 68412026531. The reversal of 68412026520 is 2562021486.

It is a happy number.

68412026520 is a `hidden beast` number, since 6 + 8 + 4 + 120 + 2 + 6 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 499495 + ... + 621545.

Almost surely, 2^68412026520 is an apocalyptic number.

68412026520 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 68412026520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115635726360).

68412026520 is an abundant number, since it is smaller than the sum of its proper divisors (162859426200).

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

68412026520 is a wasteful number, since it uses less digits than its factorization.

68412026520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122247 (or 122234 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 68412026520 in words is "sixty-eight billion, four hundred twelve million, twenty-six thousand, five hundred twenty".