3440254128 has 80 divisors (see below), whose sum is σ = 9104952960. Its totient is φ = 1118960128.

The previous prime is 3440254123. The next prime is 3440254189. The reversal of 3440254128 is 8214520443.

It is not an unprimeable number, because it can be changed into a prime (3440254123) 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, 383551 + ... + 392417.

It is an arithmetic number, because the mean of its divisors is an integer number (113811912).

Almost surely, 2^3440254128 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 3440254128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4552476480).

3440254128 is an abundant number, since it is smaller than the sum of its proper divisors (5664698832).

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

3440254128 is a wasteful number, since it uses less digits than its factorization.

3440254128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9074 (or 9068 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 3440254128 is about 58653.6795776701. The cubic root of 3440254128 is about 1509.6056347730.

The spelling of 3440254128 in words is "three billion, four hundred forty million, two hundred fifty-four thousand, one hundred twenty-eight".