5436438980 has 24 divisors (see below), whose sum is σ = 13047453888. Its totient is φ = 1863921888.

The previous prime is 5436438979. The next prime is 5436439007. The reversal of 5436438980 is 898346345.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19415714 + ... + 19415993.

It is an arithmetic number, because the mean of its divisors is an integer number (543643912).

Almost surely, 2^5436438980 is an apocalyptic number.

It is an amenable number.

5436438980 is an abundant number, since it is smaller than the sum of its proper divisors (7611014908).

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

5436438980 is a wasteful number, since it uses less digits than its factorization.

5436438980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38831723 (or 38831721 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The square root of 5436438980 is about 73732.2112783823. The cubic root of 5436438980 is about 1758.3480302349.

The spelling of 5436438980 in words is "five billion, four hundred thirty-six million, four hundred thirty-eight thousand, nine hundred eighty".