40236751033 has 4 divisors (see below), whose sum is σ = 40382010340. Its totient is φ = 40091491728.

The previous prime is 40236750989. The next prime is 40236751063. The reversal of 40236751033 is 33015763204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8119451664 + 32117299369 = 90108^2 + 179213^2 .

It is a cyclic number.

It is not a de Polignac number, because 40236751033 - 2¹³ = 40236742841 is a prime.

It is a super-2 number, since 2×40236751033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40236751033.

It is not an unprimeable number, because it can be changed into a prime (40236751063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72629238 + ... + 72629791.

It is an arithmetic number, because the mean of its divisors is an integer number (10095502585).

Almost surely, 2^40236751033 is an apocalyptic number.

It is an amenable number.

40236751033 is a deficient number, since it is larger than the sum of its proper divisors (145259307).

40236751033 is a wasteful number, since it uses less digits than its factorization.

40236751033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145259306.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 40236751033 in words is "forty billion, two hundred thirty-six million, seven hundred fifty-one thousand, thirty-three".