5142021544 has 32 divisors (see below), whose sum is σ = 10521433440. Its totient is φ = 2336468800.

The previous prime is 5142021539. The next prime is 5142021583. The reversal of 5142021544 is 4451202415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296127 + ... + 313009.

It is an arithmetic number, because the mean of its divisors is an integer number (328794795).

Almost surely, 2^5142021544 is an apocalyptic number.

It is an amenable number.

5142021544 is an abundant number, since it is smaller than the sum of its proper divisors (5379411896).

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

5142021544 is a wasteful number, since it uses less digits than its factorization.

5142021544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20361 (or 20357 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 5142021544 is about 71707.8903887152. The cubic root of 5142021544 is about 1726.0152582875.

Adding to 5142021544 its reverse (4451202415), we get a palindrome (9593223959).

The spelling of 5142021544 in words is "five billion, one hundred forty-two million, twenty-one thousand, five hundred forty-four".