40673032045 has 4 divisors (see below), whose sum is σ = 48807638460. Its totient is φ = 32538425632.

The previous prime is 40673032039. The next prime is 40673032051. The reversal of 40673032045 is 54023037604.

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

It is an interprime number because it is at equal distance from previous prime (40673032039) and next prime (40673032051).

It can be written as a sum of positive squares in 2 ways, for example, as 11236424004 + 29436608041 = 106002^2 + 171571^2 .

It is a cyclic number.

It is not a de Polignac number, because 40673032045 - 2¹⁷ = 40672900973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40673032045.

It is a congruent number.

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, 4067303200 + ... + 4067303209.

It is an arithmetic number, because the mean of its divisors is an integer number (12201909615).

Almost surely, 2^40673032045 is an apocalyptic number.

It is an amenable number.

40673032045 is a deficient number, since it is larger than the sum of its proper divisors (8134606415).

40673032045 is an equidigital number, since it uses as much as digits as its factorization.

40673032045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134606414.

The product of its (nonzero) digits is 60480, while the sum is 34.

Adding to 40673032045 its reverse (54023037604), we get a palindrome (94696069649).

The spelling of 40673032045 in words is "forty billion, six hundred seventy-three million, thirty-two thousand, forty-five".