34542440 has 16 divisors (see below), whose sum is σ = 77720580. Its totient is φ = 13816960.

The previous prime is 34542433. The next prime is 34542449. The reversal of 34542440 is 4424543.

It can be written as a sum of positive squares in 2 ways, for example, as 33431524 + 1110916 = 5782^2 + 1054^2 .

It is a super-2 number, since 2×34542440² = 2386360322307200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34542449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 431741 + ... + 431820.

Almost surely, 2^34542440 is an apocalyptic number.

It is an amenable number.

34542440 is an abundant number, since it is smaller than the sum of its proper divisors (43178140).

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

34542440 is a wasteful number, since it uses less digits than its factorization.

34542440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863572 (or 863568 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 34542440 is about 5877.2816845885. The cubic root of 34542440 is about 325.6749366204.

Adding to 34542440 its reverse (4424543), we get a palindrome (38966983).

The spelling of 34542440 in words is "thirty-four million, five hundred forty-two thousand, four hundred forty".