5428124244 has 18 divisors (see below), whose sum is σ = 13721091930. Its totient is φ = 1809374736.

The previous prime is 5428124209. The next prime is 5428124249. The reversal of 5428124244 is 4424218245.

It can be written as a sum of positive squares in only one way, i.e., 5283836100 + 144288144 = 72690^2 + 12012^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 150781229 = 5428124244 / (5 + 4 + 2 + 8 + 1 + 2 + 4 + 2 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 5428124199 and 5428124208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5428124249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75390579 + ... + 75390650.

It is an arithmetic number, because the mean of its divisors is an integer number (762282885).

Almost surely, 2^5428124244 is an apocalyptic number.

It is an amenable number.

5428124244 is an abundant number, since it is smaller than the sum of its proper divisors (8292967686).

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

5428124244 is a wasteful number, since it uses less digits than its factorization.

5428124244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150781239 (or 150781234 counting only the distinct ones).

The product of its digits is 81920, while the sum is 36.

The square root of 5428124244 is about 73675.8050108718. The cubic root of 5428124244 is about 1757.4511404596.

The spelling of 5428124244 in words is "five billion, four hundred twenty-eight million, one hundred twenty-four thousand, two hundred forty-four".