4151242442 has 4 divisors (see below), whose sum is σ = 6226863666. Its totient is φ = 2075621220.

The previous prime is 4151242441. The next prime is 4151242471. The reversal of 4151242442 is 2442421514.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4121768401 + 29474041 = 64201^2 + 5429^2 .

It is not an unprimeable number, because it can be changed into a prime (4151242441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1037810609 + ... + 1037810612.

Almost surely, 2^4151242442 is an apocalyptic number.

4151242442 is a deficient number, since it is larger than the sum of its proper divisors (2075621224).

4151242442 is a wasteful number, since it uses less digits than its factorization.

4151242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075621223.

The product of its digits is 10240, while the sum is 29.

The square root of 4151242442 is about 64430.1361320927. The cubic root of 4151242442 is about 1607.1609291723.

Adding to 4151242442 its reverse (2442421514), we get a palindrome (6593663956).

The spelling of 4151242442 in words is "four billion, one hundred fifty-one million, two hundred forty-two thousand, four hundred forty-two".