3440121000 has 128 divisors (see below), whose sum is σ = 11298268800. Its totient is φ = 869068800.

The previous prime is 3440120993. The next prime is 3440121007. The reversal of 3440121000 is 1210443.

It is an interprime number because it is at equal distance from previous prime (3440120993) and next prime (3440121007).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (3440121007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26824 + ... + 87176.

It is an arithmetic number, because the mean of its divisors is an integer number (88267725).

Almost surely, 2^3440121000 is an apocalyptic number.

3440121000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3440121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5649134400).

3440121000 is an abundant number, since it is smaller than the sum of its proper divisors (7858147800).

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

3440121000 is a wasteful number, since it uses less digits than its factorization.

3440121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60396 (or 60382 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3440121000 is about 58652.5447018286. The cubic root of 3440121000 is about 1509.5861620477.

Adding to 3440121000 its reverse (1210443), we get a palindrome (3441331443).

The spelling of 3440121000 in words is "three billion, four hundred forty million, one hundred twenty-one thousand".