3344040421 has 4 divisors (see below), whose sum is σ = 3347003500. Its totient is φ = 3341077344.

The previous prime is 3344040419. The next prime is 3344040433. The reversal of 3344040421 is 1240404433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1240404433 = 67 ⋅18513499.

It can be written as a sum of positive squares in 2 ways, for example, as 506880196 + 2837160225 = 22514^2 + 53265^2 .

It is a cyclic number.

It is not a de Polignac number, because 3344040421 - 2¹ = 3344040419 is a prime.

It is a super-2 number, since 2×3344040421² = 22365212674563714482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3344040461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479846 + ... + 1482103.

It is an arithmetic number, because the mean of its divisors is an integer number (836750875).

Almost surely, 2^3344040421 is an apocalyptic number.

It is an amenable number.

3344040421 is a deficient number, since it is larger than the sum of its proper divisors (2963079).

3344040421 is a wasteful number, since it uses less digits than its factorization.

3344040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963078.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 3344040421 is about 57827.6786755270. The cubic root of 3344040421 is about 1495.3992991650.

Adding to 3344040421 its reverse (1240404433), we get a palindrome (4584444854).

The spelling of 3344040421 in words is "three billion, three hundred forty-four million, forty thousand, four hundred twenty-one".