40846434077 has 4 divisors (see below), whose sum is σ = 40866567420. Its totient is φ = 40826300736.

The previous prime is 40846434071. The next prime is 40846434103. The reversal of 40846434077 is 77043464804.

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 23533400836 + 17313033241 = 153406^2 + 131579^2 .

It is a cyclic number.

It is not a de Polignac number, because 40846434077 - 2⁸ = 40846433821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40846434071) 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, 10063628 + ... + 10067685.

It is an arithmetic number, because the mean of its divisors is an integer number (10216641855).

Almost surely, 2^40846434077 is an apocalyptic number.

It is an amenable number.

40846434077 is a deficient number, since it is larger than the sum of its proper divisors (20133343).

40846434077 is a wasteful number, since it uses less digits than its factorization.

40846434077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20133342.

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 40846434077 in words is "forty billion, eight hundred forty-six million, four hundred thirty-four thousand, seventy-seven".