23551050240 has 640 divisors, whose sum is σ = 89565696000. Its totient is φ = 5848547328.

The previous prime is 23551050239. The next prime is 23551050247. The reversal of 23551050240 is 4205015532.

It is a happy number.

23551050240 is a `hidden beast` number, since 23 + 551 + 0 + 50 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23551050247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103749007 + ... + 103749233.

It is an arithmetic number, because the mean of its divisors is an integer number (139946400).

Almost surely, 2^23551050240 is an apocalyptic number.

23551050240 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 23551050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44782848000).

23551050240 is an abundant number, since it is smaller than the sum of its proper divisors (66014645760).

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

23551050240 is a wasteful number, since it uses less digits than its factorization.

23551050240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 23551050240 its reverse (4205015532), we get a palindrome (27756065772).

The spelling of 23551050240 in words is "twenty-three billion, five hundred fifty-one million, fifty thousand, two hundred forty".