23240261551464 has 128 divisors (see below), whose sum is σ = 64928866896000. Its totient is φ = 7702059612672.

The previous prime is 23240261551459. The next prime is 23240261551489. The reversal of 23240261551464 is 46415516204232.

It is a happy number.

23240261551464 is a `hidden beast` number, since 2 + 3 + 2 + 40 + 26 + 15 + 514 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221762982 + ... + 221867754.

It is an arithmetic number, because the mean of its divisors is an integer number (507256772625).

Almost surely, 2^{23240261551464} is an apocalyptic number.

23240261551464 is a gapful number since it is divisible by the number (24) 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 23240261551464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32464433448000).

23240261551464 is an abundant number, since it is smaller than the sum of its proper divisors (41688605344536).

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

23240261551464 is a wasteful number, since it uses less digits than its factorization.

23240261551464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110704 (or 110694 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

Adding to 23240261551464 its reverse (46415516204232), we get a palindrome (69655777755696).

The spelling of 23240261551464 in words is "twenty-three trillion, two hundred forty billion, two hundred sixty-one million, five hundred fifty-one thousand, four hundred sixty-four".