24542478828 has 144 divisors (see below), whose sum is σ = 75532504320. Its totient is φ = 6562933632.

The previous prime is 24542478823. The next prime is 24542478833. The reversal of 24542478828 is 82887424542.

It is a happy number.

24542478828 is a `hidden beast` number, since 2 + 4 + 542 + 4 + 78 + 8 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (24542478823) and next prime (24542478833).

It is not an unprimeable number, because it can be changed into a prime (24542478823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 366526 + ... + 428282.

It is an arithmetic number, because the mean of its divisors is an integer number (524531280).

Almost surely, 2^24542478828 is an apocalyptic number.

24542478828 is a gapful number since it is divisible by the number (28) 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 24542478828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37766252160).

24542478828 is an abundant number, since it is smaller than the sum of its proper divisors (50990025492).

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

24542478828 is a wasteful number, since it uses less digits than its factorization.

24542478828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61876 (or 61871 counting only the distinct ones).

The product of its digits is 9175040, while the sum is 54.

The spelling of 24542478828 in words is "twenty-four billion, five hundred forty-two million, four hundred seventy-eight thousand, eight hundred twenty-eight".