24209243940 has 48 divisors (see below), whose sum is σ = 77469581952. Its totient is φ = 5533541376.

The previous prime is 24209243923. The next prime is 24209243951. The reversal of 24209243940 is 4934290242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28820109 + ... + 28820948.

It is an arithmetic number, because the mean of its divisors is an integer number (1613949624).

Almost surely, 2^24209243940 is an apocalyptic number.

24209243940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24209243940 is an abundant number, since it is smaller than the sum of its proper divisors (53260338012).

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

24209243940 is a wasteful number, since it uses less digits than its factorization.

24209243940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57641076 (or 57641074 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 24209243940 in words is "twenty-four billion, two hundred nine million, two hundred forty-three thousand, nine hundred forty".