24905742312 has 64 divisors (see below), whose sum is σ = 68034931200. Its totient is φ = 7534952640.

The previous prime is 24905742307. The next prime is 24905742331. The reversal of 24905742312 is 21324750942.

It is a super-2 number, since 2×24905742312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87213 + ... + 239619.

It is an arithmetic number, because the mean of its divisors is an integer number (1063045800).

Almost surely, 2^24905742312 is an apocalyptic number.

24905742312 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 24905742312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34017465600).

24905742312 is an abundant number, since it is smaller than the sum of its proper divisors (43129188888).

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

24905742312 is a wasteful number, since it uses less digits than its factorization.

24905742312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153046 (or 153042 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 24905742312 in words is "twenty-four billion, nine hundred five million, seven hundred forty-two thousand, three hundred twelve".