40133432545 has 4 divisors (see below), whose sum is σ = 48160119060. Its totient is φ = 32106746032.

The previous prime is 40133432539. The next prime is 40133432617. The reversal of 40133432545 is 54523433104.

It is a happy number.

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 14956311616 + 25177120929 = 122296^2 + 158673^2 .

It is a cyclic number.

It is not a de Polignac number, because 40133432545 - 2⁵ = 40133432513 is a prime.

It is a super-2 number, since 2×40133432545² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40133432545.

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, 4013343250 + ... + 4013343259.

It is an arithmetic number, because the mean of its divisors is an integer number (12040029765).

Almost surely, 2^40133432545 is an apocalyptic number.

It is an amenable number.

40133432545 is a deficient number, since it is larger than the sum of its proper divisors (8026686515).

40133432545 is an equidigital number, since it uses as much as digits as its factorization.

40133432545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026686514.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 40133432545 its reverse (54523433104), we get a palindrome (94656865649).

The spelling of 40133432545 in words is "forty billion, one hundred thirty-three million, four hundred thirty-two thousand, five hundred forty-five".