24128970840 has 192 divisors, whose sum is σ = 84707532000. Its totient is φ = 5921427456.

The previous prime is 24128970809. The next prime is 24128970881. The reversal of 24128970840 is 4807982142.

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 47 ways as a sum of consecutive naturals, for example, 1569511 + ... + 1584809.

Almost surely, 2^24128970840 is an apocalyptic number.

24128970840 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 24128970840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42353766000).

24128970840 is an abundant number, since it is smaller than the sum of its proper divisors (60578561160).

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

24128970840 is a wasteful number, since it uses less digits than its factorization.

24128970840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666 (or 15659 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 24128970840 in words is "twenty-four billion, one hundred twenty-eight million, nine hundred seventy thousand, eight hundred forty".