5181926628 has 24 divisors (see below), whose sum is σ = 12215816032. Its totient is φ = 1709501184.

The previous prime is 5181926569. The next prime is 5181926707. The reversal of 5181926628 is 8266291815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224750 + ... + 2227077.

Almost surely, 2^5181926628 is an apocalyptic number.

It is an amenable number.

5181926628 is an abundant number, since it is smaller than the sum of its proper divisors (7033889404).

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

5181926628 is a wasteful number, since it uses less digits than its factorization.

5181926628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451931 (or 4451929 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 5181926628 is about 71985.6001433620. The cubic root of 5181926628 is about 1730.4687190425.

The spelling of 5181926628 in words is "five billion, one hundred eighty-one million, nine hundred twenty-six thousand, six hundred twenty-eight".