40135434 has 8 divisors (see below), whose sum is σ = 80270880. Its totient is φ = 13378476.

The previous prime is 40135427. The next prime is 40135451. The reversal of 40135434 is 43453104.

It is a sphenic number, since it is the product of 3 distinct primes.

40135434 is an admirable number.

It is a super-2 number, since 2×40135434² = 3221706124736712, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3344614 + ... + 3344625.

It is an arithmetic number, because the mean of its divisors is an integer number (10033860).

Almost surely, 2^40135434 is an apocalyptic number.

40135434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40135434 is a wasteful number, since it uses less digits than its factorization.

40135434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689244.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40135434 is about 6335.2532703910. The cubic root of 40135434 is about 342.3807359984.

Adding to 40135434 its reverse (43453104), we get a palindrome (83588538).

The spelling of 40135434 in words is "forty million, one hundred thirty-five thousand, four hundred thirty-four".