40719532849 has 4 divisors (see below), whose sum is σ = 41177055780. Its totient is φ = 40262009920.

The previous prime is 40719532813. The next prime is 40719532859. The reversal of 40719532849 is 94823591704.

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 2183879824 + 38535653025 = 46732^2 + 196305^2 .

It is a cyclic number.

It is not a de Polignac number, because 40719532849 - 2³³ = 32129598257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40719532796 and 40719532805.

It is not an unprimeable number, because it can be changed into a prime (40719532859) 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, 228761332 + ... + 228761509.

It is an arithmetic number, because the mean of its divisors is an integer number (10294263945).

Almost surely, 2^40719532849 is an apocalyptic number.

It is an amenable number.

40719532849 is a deficient number, since it is larger than the sum of its proper divisors (457522931).

40719532849 is an equidigital number, since it uses as much as digits as its factorization.

40719532849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457522930.

The product of its (nonzero) digits is 2177280, while the sum is 52.

It can be divided in two parts, 407195 and 32849, that added together give a palindrome (440044).

The spelling of 40719532849 in words is "forty billion, seven hundred nineteen million, five hundred thirty-two thousand, eight hundred forty-nine".