40135542434 has 8 divisors (see below), whose sum is σ = 64834337820. Its totient is φ = 18524096496.

The previous prime is 40135542413. The next prime is 40135542443. The reversal of 40135542434 is 43424553104.

It can be written as a sum of positive squares in 2 ways, for example, as 40121291809 + 14250625 = 200303^2 + 3775^2 .

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

It is a super-2 number, since 2×40135542434² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40135542394 and 40135542403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771837329 + ... + 771837380.

Almost surely, 2^40135542434 is an apocalyptic number.

40135542434 is a deficient number, since it is larger than the sum of its proper divisors (24698795386).

40135542434 is a wasteful number, since it uses less digits than its factorization.

40135542434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543674724.

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 40135542434 in words is "forty billion, one hundred thirty-five million, five hundred forty-two thousand, four hundred thirty-four".