3440021144 has 64 divisors (see below), whose sum is σ = 7623106560. Its totient is φ = 1424142720.

The previous prime is 3440021141. The next prime is 3440021153. The reversal of 3440021144 is 4411200443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440021141) 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, 1173809 + ... + 1176735.

It is an arithmetic number, because the mean of its divisors is an integer number (119111040).

Almost surely, 2^3440021144 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 3440021144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3811553280).

3440021144 is an abundant number, since it is smaller than the sum of its proper divisors (4183085416).

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

3440021144 is a wasteful number, since it uses less digits than its factorization.

3440021144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3440021144 is about 58651.6934452877. The cubic root of 3440021144 is about 1509.5715557112.

Adding to 3440021144 its reverse (4411200443), we get a palindrome (7851221587).

The spelling of 3440021144 in words is "three billion, four hundred forty million, twenty-one thousand, one hundred forty-four".