2400142253 has 8 divisors (see below), whose sum is σ = 2538806208. Its totient is φ = 2264337504.

The previous prime is 2400142249. The next prime is 2400142289. The reversal of 2400142253 is 3522410042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2400142253 - 2² = 2400142249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400141253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713075 + ... + 716432.

It is an arithmetic number, because the mean of its divisors is an integer number (317350776).

Almost surely, 2^2400142253 is an apocalyptic number.

2400142253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2400142253 is a deficient number, since it is larger than the sum of its proper divisors (138663955).

2400142253 is a wasteful number, since it uses less digits than its factorization.

2400142253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429603.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2400142253 is about 48991.2466977520. The cubic root of 2400142253 is about 1338.8923520988.

Adding to 2400142253 its reverse (3522410042), we get a palindrome (5922552295).

The spelling of 2400142253 in words is "two billion, four hundred million, one hundred forty-two thousand, two hundred fifty-three".