5428038408 has 128 divisors (see below), whose sum is σ = 15478041600. Its totient is φ = 1572500736.

The previous prime is 5428038397. The next prime is 5428038419. The reversal of 5428038408 is 8048308245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5428038397) and next prime (5428038419).

It is a self number, because there is not a number n which added to its sum of digits gives 5428038408.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 987235 + ... + 992717.

It is an arithmetic number, because the mean of its divisors is an integer number (120922200).

Almost surely, 2^5428038408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5428038408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7739020800).

5428038408 is an abundant number, since it is smaller than the sum of its proper divisors (10050003192).

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

5428038408 is a wasteful number, since it uses less digits than its factorization.

5428038408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691 (or 5687 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 5428038408 is about 73675.2224835460. Note that the first 3 decimals coincide. The cubic root of 5428038408 is about 1757.4418767701.

The spelling of 5428038408 in words is "five billion, four hundred twenty-eight million, thirty-eight thousand, four hundred eight".