5021423044 has 27 divisors (see below), whose sum is σ = 9661976653. Its totient is φ = 2281756400.

The previous prime is 5021423039. The next prime is 5021423047. The reversal of 5021423044 is 4403241205.

It is a happy number.

The square root of 5021423044 is 70862.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3873568644 + 1147854400 = 62238^2 + 33880^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5021423047) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1557354 + ... + 1560574.

Almost surely, 2^5021423044 is an apocalyptic number.

5021423044 is the 70862-nd square number.

It is an amenable number.

5021423044 is a deficient number, since it is larger than the sum of its proper divisors (4640553609).

5021423044 is an equidigital number, since it uses as much as digits as its factorization.

5021423044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6468 (or 3234 counting only the distinct ones).

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

The cubic root of 5021423044 is about 1712.4146596718.

Multiplying 5021423044 by its sum of digits (25), we get a square (125535576100 = 354310²).

Adding to 5021423044 its reverse (4403241205), we get a palindrome (9424664249).

The spelling of 5021423044 in words is "five billion, twenty-one million, four hundred twenty-three thousand, forty-four".