40135004434 has 16 divisors (see below), whose sum is σ = 69575932800. Its totient is φ = 17007449184.

The previous prime is 40135004389. The next prime is 40135004443. The reversal of 40135004434 is 43440053104.

It is a super-2 number, since 2×40135004434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16104294 + ... + 16106785.

It is an arithmetic number, because the mean of its divisors is an integer number (4348495800).

Almost surely, 2^40135004434 is an apocalyptic number.

40135004434 is a deficient number, since it is larger than the sum of its proper divisors (29440928366).

40135004434 is a wasteful number, since it uses less digits than its factorization.

40135004434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32211177.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40135004434 its reverse (43440053104), we get a palindrome (83575057538).

The spelling of 40135004434 in words is "forty billion, one hundred thirty-five million, four thousand, four hundred thirty-four".