24142340 has 12 divisors (see below), whose sum is σ = 50698956. Its totient is φ = 9656928.

The previous prime is 24142309. The next prime is 24142351. The reversal of 24142340 is 4324142.

It can be written as a sum of positive squares in 2 ways, for example, as 3928324 + 20214016 = 1982^2 + 4496^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1207117 = 24142340 / (2 + 4 + 1 + 4 + 2 + 3 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603539 + ... + 603578.

It is an arithmetic number, because the mean of its divisors is an integer number (4224913).

Almost surely, 2^24142340 is an apocalyptic number.

24142340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24142340 is an abundant number, since it is smaller than the sum of its proper divisors (26556616).

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

24142340 is a wasteful number, since it uses less digits than its factorization.

24142340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207126 (or 1207124 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 24142340 is about 4913.4855245538. The cubic root of 24142340 is about 289.0190398650.

Adding to 24142340 its reverse (4324142), we get a palindrome (28466482).

The spelling of 24142340 in words is "twenty-four million, one hundred forty-two thousand, three hundred forty".