34440642 has 24 divisors (see below), whose sum is σ = 74872044. Its totient is φ = 11441664.

The previous prime is 34440631. The next prime is 34440643. The reversal of 34440642 is 24604443.

It can be written as a sum of positive squares in 2 ways, for example, as 30902481 + 3538161 = 5559^2 + 1881^2 .

It is not an unprimeable number, because it can be changed into a prime (34440643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2578 + ... + 8690.

Almost surely, 2^34440642 is an apocalyptic number.

34440642 is an abundant number, since it is smaller than the sum of its proper divisors (40431402).

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

34440642 is a wasteful number, since it uses less digits than its factorization.

34440642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6431 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 34440642 is about 5868.6149984472. The cubic root of 34440642 is about 325.3546959885.

The spelling of 34440642 in words is "thirty-four million, four hundred forty thousand, six hundred forty-two".