34440425 has 12 divisors (see below), whose sum is σ = 43616256. Its totient is φ = 26965200.

The previous prime is 34440421. The next prime is 34440437. The reversal of 34440425 is 52404443.

It is not a de Polignac number, because 34440425 - 2² = 34440421 is a prime.

It is a super-2 number, since 2×34440425² = 2372285748361250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34440394 and 34440403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34440421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13481 + ... + 15830.

It is an arithmetic number, because the mean of its divisors is an integer number (3634688).

Almost surely, 2^34440425 is an apocalyptic number.

It is an amenable number.

34440425 is a deficient number, since it is larger than the sum of its proper divisors (9175831).

34440425 is a wasteful number, since it uses less digits than its factorization.

34440425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29368 (or 29363 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 34440425 is about 5868.5965102399. The cubic root of 34440425 is about 325.3540126668.

Adding to 34440425 its reverse (52404443), we get a palindrome (86844868).

The spelling of 34440425 in words is "thirty-four million, four hundred forty thousand, four hundred twenty-five".