40742216700073 has 4 divisors (see below), whose sum is σ = 46562533371520. Its totient is φ = 34921900028628.

The previous prime is 40742216700049. The next prime is 40742216700083. The reversal of 40742216700073 is 37000761224704.

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-40742216700073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40742216700013) 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, 2910158335713 + ... + 2910158335726.

It is an arithmetic number, because the mean of its divisors is an integer number (11640633342880).

Almost surely, 2^{40742216700073} is an apocalyptic number.

It is an amenable number.

40742216700073 is a deficient number, since it is larger than the sum of its proper divisors (5820316671447).

40742216700073 is an equidigital number, since it uses as much as digits as its factorization.

40742216700073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5820316671446.

The product of its (nonzero) digits is 395136, while the sum is 43.

Adding to 40742216700073 its reverse (37000761224704), we get a palindrome (77742977924777).

The spelling of 40742216700073 in words is "forty trillion, seven hundred forty-two billion, two hundred sixteen million, seven hundred thousand, seventy-three".