24532320438 has 12 divisors (see below), whose sum is σ = 53153360988. Its totient is φ = 8177440140.

The previous prime is 24532320437. The next prime is 24532320451. The reversal of 24532320438 is 83402323542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24532320431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681453328 + ... + 681453363.

It is an arithmetic number, because the mean of its divisors is an integer number (4429446749).

Almost surely, 2^24532320438 is an apocalyptic number.

24532320438 is an abundant number, since it is smaller than the sum of its proper divisors (28621040550).

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

24532320438 is a wasteful number, since it uses less digits than its factorization.

24532320438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362906699 (or 1362906696 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 24532320438 in words is "twenty-four billion, five hundred thirty-two million, three hundred twenty thousand, four hundred thirty-eight".