23660786625840 has 480 divisors, whose sum is σ = 97959199543296. Its totient is φ = 4983933265920.

The previous prime is 23660786625823. The next prime is 23660786625851. The reversal of 23660786625840 is 4852668706632.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 95 ways as a sum of consecutive naturals, for example, 39473175 + ... + 40068105.

Almost surely, 2^{23660786625840} is an apocalyptic number.

23660786625840 is a gapful number since it is divisible by the number (20) 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 23660786625840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48979599771648).

23660786625840 is an abundant number, since it is smaller than the sum of its proper divisors (74298412917456).

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

23660786625840 is a wasteful number, since it uses less digits than its factorization.

23660786625840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595577 (or 595568 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 63.

The spelling of 23660786625840 in words is "twenty-three trillion, six hundred sixty billion, seven hundred eighty-six million, six hundred twenty-five thousand, eight hundred forty".