18860247744 has 224 divisors, whose sum is σ = 55302912000. Its totient is φ = 5636775936.

The previous prime is 18860247739. The next prime is 18860247811. The reversal of 18860247744 is 44774206881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13105777 + ... + 13107215.

It is an arithmetic number, because the mean of its divisors is an integer number (246888000).

Almost surely, 2^18860247744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18860247744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27651456000).

18860247744 is an abundant number, since it is smaller than the sum of its proper divisors (36442664256).

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

18860247744 is a wasteful number, since it uses less digits than its factorization.

18860247744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 51.

The spelling of 18860247744 in words is "eighteen billion, eight hundred sixty million, two hundred forty-seven thousand, seven hundred forty-four".