24402240545231 has 4 divisors (see below), whose sum is σ = 25686568995000. Its totient is φ = 23117912095464.

The previous prime is 24402240545161. The next prime is 24402240545279. The reversal of 24402240545231 is 13254504220442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24402240545231 is a prime.

It is a super-2 number, since 2×24402240545231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24402240545731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642164224856 + ... + 642164224893.

It is an arithmetic number, because the mean of its divisors is an integer number (6421642248750).

Almost surely, 2^{24402240545231} is an apocalyptic number.

24402240545231 is a deficient number, since it is larger than the sum of its proper divisors (1284328449769).

24402240545231 is a wasteful number, since it uses less digits than its factorization.

24402240545231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284328449768.

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 24402240545231 its reverse (13254504220442), we get a palindrome (37656744765673).

The spelling of 24402240545231 in words is "twenty-four trillion, four hundred two billion, two hundred forty million, five hundred forty-five thousand, two hundred thirty-one".