308860231680 has 2688 divisors, whose sum is σ = 1538846539776. Its totient is φ = 57330892800.

The previous prime is 308860231643. The next prime is 308860231727. The reversal of 308860231680 is 86132068803.

308860231680 is a `hidden beast` number, since 3 + 0 + 8 + 8 + 602 + 31 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2688).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9963233265 + ... + 9963233295.

It is an arithmetic number, because the mean of its divisors is an integer number (572487552).

Almost surely, 2^308860231680 is an apocalyptic number.

308860231680 is a gapful number since it is divisible by the number (30) 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 308860231680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769423269888).

308860231680 is an abundant number, since it is smaller than the sum of its proper divisors (1229986308096).

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

308860231680 is a wasteful number, since it uses less digits than its factorization.

308860231680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

308860231680 divided by its product of nonzero digits (331776) gives a triangular number (930930 = T₁₃₆₄).

The spelling of 308860231680 in words is "three hundred eight billion, eight hundred sixty million, two hundred thirty-one thousand, six hundred eighty".