3440421451 has 4 divisors (see below), whose sum is σ = 3440550672. Its totient is φ = 3440292232.

The previous prime is 3440421449. The next prime is 3440421503. The reversal of 3440421451 is 1541240443.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1541240443 = 43 ⋅35842801.

It is a cyclic number.

It is not a de Polignac number, because 3440421451 - 2¹ = 3440421449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440422451) 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, 8335 + ... + 83368.

It is an arithmetic number, because the mean of its divisors is an integer number (860137668).

Almost surely, 2^3440421451 is an apocalyptic number.

3440421451 is a deficient number, since it is larger than the sum of its proper divisors (129221).

3440421451 is an equidigital number, since it uses as much as digits as its factorization.

3440421451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129220.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 3440421451 is about 58655.1059243780. The cubic root of 3440421451 is about 1509.6301085124.

Adding to 3440421451 its reverse (1541240443), we get a palindrome (4981661894).

It can be divided in two parts, 34404 and 21451, that added together give a palindrome (55855).

The spelling of 3440421451 in words is "three billion, four hundred forty million, four hundred twenty-one thousand, four hundred fifty-one".