24247666872 has 160 divisors (see below), whose sum is σ = 79789636080. Its totient is φ = 6782538240.

The previous prime is 24247666819. The next prime is 24247666873. The reversal of 24247666872 is 27866674242.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24247666873) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38173 + ... + 223500.

Almost surely, 2^24247666872 is an apocalyptic number.

24247666872 is a gapful number since it is divisible by the number (22) 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 24247666872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39894818040).

24247666872 is an abundant number, since it is smaller than the sum of its proper divisors (55541969208).

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

24247666872 is a wasteful number, since it uses less digits than its factorization.

24247666872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261715 (or 261702 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 54.

The spelling of 24247666872 in words is "twenty-four billion, two hundred forty-seven million, six hundred sixty-six thousand, eight hundred seventy-two".