68525350380 has 240 divisors, whose sum is σ = 227481053184. Its totient is φ = 17232082560.

The previous prime is 68525350349. The next prime is 68525350381. The reversal of 68525350380 is 8305352586.

68525350380 is a `hidden beast` number, since 6 + 85 + 2 + 535 + 0 + 38 + 0 = 666.

It is a super-2 number, since 2×68525350380² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (68525350381) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2632509 + ... + 2658411.

Almost surely, 2^68525350380 is an apocalyptic number.

68525350380 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 68525350380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113740526592).

68525350380 is an abundant number, since it is smaller than the sum of its proper divisors (158955702804).

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

68525350380 is a wasteful number, since it uses less digits than its factorization.

68525350380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26018 (or 26007 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 68525350380 in words is "sixty-eight billion, five hundred twenty-five million, three hundred fifty thousand, three hundred eighty".