5142440044 has 18 divisors (see below), whose sum is σ = 10468539060. Its totient is φ = 2203902792.

The previous prime is 5142440011. The next prime is 5142440071. The reversal of 5142440044 is 4400442415.

It is a super-2 number, since 2×5142440044² = 52889379212269443872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 5142439994 and 5142440021.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13118274 + ... + 13118665.

Almost surely, 2^5142440044 is an apocalyptic number.

It is an amenable number.

5142440044 is an abundant number, since it is smaller than the sum of its proper divisors (5326099016).

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

5142440044 is a wasteful number, since it uses less digits than its factorization.

5142440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26236957 (or 26236948 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 5142440044 is about 71710.8084182573. The cubic root of 5142440044 is about 1726.0620827892.

Adding to 5142440044 its reverse (4400442415), we get a palindrome (9542882459).

The spelling of 5142440044 in words is "five billion, one hundred forty-two million, four hundred forty thousand, forty-four".