34443440 has 20 divisors (see below), whose sum is σ = 80081184. Its totient is φ = 13777344.

The previous prime is 34443421. The next prime is 34443457. The reversal of 34443440 is 4434443.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215192 + ... + 215351.

Almost surely, 2^34443440 is an apocalyptic number.

It is an amenable number.

34443440 is an abundant number, since it is smaller than the sum of its proper divisors (45637744).

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

34443440 is a wasteful number, since it uses less digits than its factorization.

34443440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430556 (or 430550 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 34443440 is about 5868.8533803461. The cubic root of 34443440 is about 325.3635064881.

Adding to 34443440 its reverse (4434443), we get a palindrome (38877883).

The spelling of 34443440 in words is "thirty-four million, four hundred forty-three thousand, four hundred forty".