12440436535 has 8 divisors (see below), whose sum is σ = 15577590240. Its totient is φ = 9519638304.

The previous prime is 12440436529. The next prime is 12440436557. The reversal of 12440436535 is 53563404421.

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

It is a cyclic number.

It is not a de Polignac number, because 12440436535 - 2³ = 12440436527 is a prime.

It is a super-2 number, since 2×12440436535² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12440436494 and 12440436503.

It is a congruent number.

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, 54088740 + ... + 54088969.

It is an arithmetic number, because the mean of its divisors is an integer number (1947198780).

Almost surely, 2^12440436535 is an apocalyptic number.

12440436535 is a deficient number, since it is larger than the sum of its proper divisors (3137153705).

12440436535 is a wasteful number, since it uses less digits than its factorization.

12440436535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108177737.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 12440436535 in words is "twelve billion, four hundred forty million, four hundred thirty-six thousand, five hundred thirty-five".