40260745673 has 4 divisors (see below), whose sum is σ = 41197042128. Its totient is φ = 39324449220.

The previous prime is 40260745667. The next prime is 40260745697. The reversal of 40260745673 is 37654706204.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40260745673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40260745633) 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, 468148163 + ... + 468148248.

It is an arithmetic number, because the mean of its divisors is an integer number (10299260532).

Almost surely, 2^40260745673 is an apocalyptic number.

40260745673 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

40260745673 is a deficient number, since it is larger than the sum of its proper divisors (936296455).

40260745673 is an equidigital number, since it uses as much as digits as its factorization.

40260745673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936296454.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 40260745673 in words is "forty billion, two hundred sixty million, seven hundred forty-five thousand, six hundred seventy-three".