24393894012 has 48 divisors (see below), whose sum is σ = 64134201600. Its totient is φ = 8016770160.

The previous prime is 24393893989. The next prime is 24393894043. The reversal of 24393894012 is 21049839342.

It is a super-2 number, since 2×24393894012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1582962 + ... + 1598297.

It is an arithmetic number, because the mean of its divisors is an integer number (1336129200).

Almost surely, 2^24393894012 is an apocalyptic number.

It is an amenable number.

24393894012 is an abundant number, since it is smaller than the sum of its proper divisors (39740307588).

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

24393894012 is a wasteful number, since it uses less digits than its factorization.

24393894012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181343 (or 3181335 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 24393894012 in words is "twenty-four billion, three hundred ninety-three million, eight hundred ninety-four thousand, twelve".