5120142442 has 4 divisors (see below), whose sum is σ = 7680213666. Its totient is φ = 2560071220.

The previous prime is 5120142403. The next prime is 5120142457. The reversal of 5120142442 is 2442410215.

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., 4898460121 + 221682321 = 69989^2 + 14889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280035609 + ... + 1280035612.

Almost surely, 2^5120142442 is an apocalyptic number.

5120142442 is a deficient number, since it is larger than the sum of its proper divisors (2560071224).

5120142442 is a wasteful number, since it uses less digits than its factorization.

5120142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560071223.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 5120142442 is about 71555.1706168045. The cubic root of 5120142442 is about 1723.5637353141.

Adding to 5120142442 its reverse (2442410215), we get a palindrome (7562552657).

The spelling of 5120142442 in words is "five billion, one hundred twenty million, one hundred forty-two thousand, four hundred forty-two".