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24253004640 = 2535611316323
BaseRepresentation
bin10110100101100101…
…110111101101100000
32022121020022021211010
4112211211313231200
5344132232122030
615050334020520
71516004065224
oct264545675540
968536267733
1024253004640
11a316209397
12484a347740
132396851527
141261098784
1596e31a6b0
hex5a5977b60

24253004640 has 192 divisors, whose sum is σ = 78254491392. Its totient is φ = 6311884800.

The previous prime is 24253004623. The next prime is 24253004653. The reversal of 24253004640 is 4640035242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 24253004598 and 24253004607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3832519 + ... + 3838841.

It is an arithmetic number, because the mean of its divisors is an integer number (407575476).

Almost surely, 224253004640 is an apocalyptic number.

24253004640 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 24253004640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39127245696).

24253004640 is an abundant number, since it is smaller than the sum of its proper divisors (54001486752).

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

24253004640 is a wasteful number, since it uses less digits than its factorization.

24253004640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533 (or 6525 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 24253004640 its reverse (4640035242), we get a palindrome (28893039882).

The spelling of 24253004640 in words is "twenty-four billion, two hundred fifty-three million, four thousand, six hundred forty".