24099273240 has 128 divisors (see below), whose sum is σ = 82791797760. Its totient is φ = 5497357824.

The previous prime is 24099273221. The next prime is 24099273269. The reversal of 24099273240 is 4237299042.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 24099273192 and 24099273201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394002 + ... + 451038.

It is an arithmetic number, because the mean of its divisors is an integer number (646810920).

Almost surely, 2^24099273240 is an apocalyptic number.

24099273240 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 24099273240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41395898880).

24099273240 is an abundant number, since it is smaller than the sum of its proper divisors (58692524520).

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

24099273240 is a wasteful number, since it uses less digits than its factorization.

24099273240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57561 (or 57557 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 24099273240 in words is "twenty-four billion, ninety-nine million, two hundred seventy-three thousand, two hundred forty".