4040142325 has 12 divisors (see below), whose sum is σ = 5116368960. Its totient is φ = 3163344560.

The previous prime is 4040142319. The next prime is 4040142329. The reversal of 4040142325 is 5232410404.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4040142325 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 4040142325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040142329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1718035 + ... + 1720384.

It is an arithmetic number, because the mean of its divisors is an integer number (426364080).

Almost surely, 2^4040142325 is an apocalyptic number.

It is an amenable number.

4040142325 is a deficient number, since it is larger than the sum of its proper divisors (1076226635).

4040142325 is a wasteful number, since it uses less digits than its factorization.

4040142325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438476 (or 3438471 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4040142325 is about 63562.1139122984. The cubic root of 4040142325 is about 1592.6935508979.

Adding to 4040142325 its reverse (5232410404), we get a palindrome (9272552729).

The spelling of 4040142325 in words is "four billion, forty million, one hundred forty-two thousand, three hundred twenty-five".