40560529231649 has 4 divisors (see below), whose sum is σ = 46354890550464. Its totient is φ = 34766167912836.

The previous prime is 40560529231637. The next prime is 40560529231661. The reversal of 40560529231649 is 94613292506504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (40560529231637) and next prime (40560529231661).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40560529231649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40560529231594 and 40560529231603.

It is not an unprimeable number, because it can be changed into a prime (40560529231669) 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, 2897180659397 + ... + 2897180659410.

It is an arithmetic number, because the mean of its divisors is an integer number (11588722637616).

Almost surely, 2^{40560529231649} is an apocalyptic number.

It is an amenable number.

40560529231649 is a deficient number, since it is larger than the sum of its proper divisors (5794361318815).

40560529231649 is an equidigital number, since it uses as much as digits as its factorization.

40560529231649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5794361318814.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 40560529231649 in words is "forty trillion, five hundred sixty billion, five hundred twenty-nine million, two hundred thirty-one thousand, six hundred forty-nine".