3442750128 has 90 divisors (see below), whose sum is σ = 10002397132. Its totient is φ = 1146363840.

The previous prime is 3442750081. The next prime is 3442750159. The reversal of 3442750128 is 8210572443.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3442750092 and 3442750101.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3658138 + ... + 3659078.

Almost surely, 2^3442750128 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 3442750128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5001198566).

3442750128 is an abundant number, since it is smaller than the sum of its proper divisors (6559647004).

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

3442750128 is an frugal number, since it uses more digits than its factorization.

3442750128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 3442750128 is about 58674.9531572033. The cubic root of 3442750128 is about 1509.9706334654.

The spelling of 3442750128 in words is "three billion, four hundred forty-two million, seven hundred fifty thousand, one hundred twenty-eight".