40026505635 has 24 divisors (see below), whose sum is σ = 71071457184. Its totient is φ = 20826798720.

The previous prime is 40026505633. The next prime is 40026505637. The reversal of 40026505635 is 53650562004.

It is a happy number.

40026505635 is a `hidden beast` number, since 40 + 0 + 2 + 6 + 50 + 563 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (40026505633) and next prime (40026505637).

It is not a de Polignac number, because 40026505635 - 2¹ = 40026505633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40026505635.

It is not an unprimeable number, because it can be changed into a prime (40026505633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10845447 + ... + 10849136.

It is an arithmetic number, because the mean of its divisors is an integer number (2961310716).

Almost surely, 2^40026505635 is an apocalyptic number.

40026505635 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40026505635 is a deficient number, since it is larger than the sum of its proper divisors (31044951549).

40026505635 is a wasteful number, since it uses less digits than its factorization.

40026505635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21694635 (or 21694632 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 40026505635 in words is "forty billion, twenty-six million, five hundred five thousand, six hundred thirty-five".