34266440 has 96 divisors (see below), whose sum is σ = 86368680. Its totient is φ = 12220416.

The previous prime is 34266409. The next prime is 34266451. The reversal of 34266440 is 4466243.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1387684 + 32878756 = 1178^2 + 5734^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 250052 + ... + 250188.

Almost surely, 2^34266440 is an apocalyptic number.

34266440 is the 3380-th octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34266440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43184340).

34266440 is an abundant number, since it is smaller than the sum of its proper divisors (52102240).

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

34266440 is a wasteful number, since it uses less digits than its factorization.

34266440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 34266440 is about 5853.7543508419. The cubic root of 34266440 is about 324.8052166165.

The spelling of 34266440 in words is "thirty-four million, two hundred sixty-six thousand, four hundred forty".