34151440 has 20 divisors (see below), whose sum is σ = 79402284. Its totient is φ = 13660544.

The previous prime is 34151437. The next prime is 34151449. The reversal of 34151440 is 4415143.

It can be written as a sum of positive squares in 2 ways, for example, as 26378496 + 7772944 = 5136^2 + 2788^2 .

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

It is not an unprimeable number, because it can be changed into a prime (34151449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213367 + ... + 213526.

Almost surely, 2^34151440 is an apocalyptic number.

It is an amenable number.

34151440 is an abundant number, since it is smaller than the sum of its proper divisors (45250844).

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

34151440 is a wasteful number, since it uses less digits than its factorization.

34151440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426906 (or 426900 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 34151440 is about 5843.9233396752. The cubic root of 34151440 is about 324.4414548351.

Adding to 34151440 its reverse (4415143), we get a palindrome (38566583).

The spelling of 34151440 in words is "thirty-four million, one hundred fifty-one thousand, four hundred forty".