34122440 has 32 divisors (see below), whose sum is σ = 83756160. Its totient is φ = 12408000.

The previous prime is 34122433. The next prime is 34122443. The reversal of 34122440 is 4422143.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (34122443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38336 + ... + 39215.

It is an arithmetic number, because the mean of its divisors is an integer number (2617380).

Almost surely, 2^34122440 is an apocalyptic number.

It is an amenable number.

34122440 is an abundant number, since it is smaller than the sum of its proper divisors (49633720).

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

34122440 is a wasteful number, since it uses less digits than its factorization.

34122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77573 (or 77569 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 34122440 is about 5841.4416028922. The cubic root of 34122440 is about 324.3495947101.

Adding to 34122440 its reverse (4422143), we get a palindrome (38544583).

The spelling of 34122440 in words is "thirty-four million, one hundred twenty-two thousand, four hundred forty".