24081138 has 60 divisors (see below), whose sum is σ = 56608398. Its totient is φ = 7650720.

The previous prime is 24081121. The next prime is 24081143. The reversal of 24081138 is 83118042.

It can be written as a sum of positive squares in only one way, i.e., 18896409 + 5184729 = 4347^2 + 2277^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 85558 + ... + 85838.

Almost surely, 2^24081138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24081138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304199).

24081138 is an abundant number, since it is smaller than the sum of its proper divisors (32527260).

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

24081138 is a wasteful number, since it uses less digits than its factorization.

24081138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 24081138 is about 4907.2536107277. The cubic root of 24081138 is about 288.7746074492.

The spelling of 24081138 in words is "twenty-four million, eighty-one thousand, one hundred thirty-eight".