5428181238 has 32 divisors (see below), whose sum is σ = 10970277120. Its totient is φ = 1790486880.

The previous prime is 5428181233. The next prime is 5428181287. The reversal of 5428181238 is 8321818245.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5428181238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428181233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272556 + ... + 291792.

It is an arithmetic number, because the mean of its divisors is an integer number (342821160).

Almost surely, 2^5428181238 is an apocalyptic number.

5428181238 is an abundant number, since it is smaller than the sum of its proper divisors (5542095882).

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

5428181238 is a wasteful number, since it uses less digits than its factorization.

5428181238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19732.

The product of its digits is 122880, while the sum is 42.

The square root of 5428181238 is about 73676.1917989794. The cubic root of 5428181238 is about 1757.4572913762.

The spelling of 5428181238 in words is "five billion, four hundred twenty-eight million, one hundred eighty-one thousand, two hundred thirty-eight".