3440245521 has 8 divisors (see below), whose sum is σ = 4600853344. Its totient is φ = 2286567360.

The previous prime is 3440245499. The next prime is 3440245559. The reversal of 3440245521 is 1255420443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3440245521 - 2²¹ = 3438148369 is a prime.

It is a super-2 number, since 2×3440245521² = 23670578489521122882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3440245421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731256 + ... + 1733241.

It is an arithmetic number, because the mean of its divisors is an integer number (575106668).

Almost surely, 2^3440245521 is an apocalyptic number.

It is an amenable number.

3440245521 is a deficient number, since it is larger than the sum of its proper divisors (1160607823).

3440245521 is a wasteful number, since it uses less digits than its factorization.

3440245521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464831.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 3440245521 is about 58653.6062062683. The cubic root of 3440245521 is about 1509.6043758363.

Adding to 3440245521 its reverse (1255420443), we get a palindrome (4695665964).

The spelling of 3440245521 in words is "three billion, four hundred forty million, two hundred forty-five thousand, five hundred twenty-one".