40436505103 has 4 divisors (see below), whose sum is σ = 40437611208. Its totient is φ = 40435399000.

The previous prime is 40436505079. The next prime is 40436505107. The reversal of 40436505103 is 30150563404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40436505103 - 2¹³ = 40436496911 is a prime.

It is a super-2 number, since 2×40436505103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40436505107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496273 + ... + 571978.

It is an arithmetic number, because the mean of its divisors is an integer number (10109402802).

Almost surely, 2^40436505103 is an apocalyptic number.

40436505103 is a deficient number, since it is larger than the sum of its proper divisors (1106105).

40436505103 is a wasteful number, since it uses less digits than its factorization.

40436505103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106104.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 40436505103 in words is "forty billion, four hundred thirty-six million, five hundred five thousand, one hundred three".