34365440 has 56 divisors (see below), whose sum is σ = 82570320. Its totient is φ = 13729792.

The previous prime is 34365389. The next prime is 34365467. The reversal of 34365440 is 4456343.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40541 + ... + 41379.

It is an arithmetic number, because the mean of its divisors is an integer number (1474470).

Almost surely, 2^34365440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34365440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41285160).

34365440 is an abundant number, since it is smaller than the sum of its proper divisors (48204880).

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

34365440 is an frugal number, since it uses more digits than its factorization.

34365440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 34365440 is about 5862.2043635479. The cubic root of 34365440 is about 325.1177167261.

The spelling of 34365440 in words is "thirty-four million, three hundred sixty-five thousand, four hundred forty".