40423477757213 has 4 divisors (see below), whose sum is σ = 41086157720508. Its totient is φ = 39760797793920.

The previous prime is 40423477757111. The next prime is 40423477757293. The reversal of 40423477757213 is 31275777432404.

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 572501063044 + 39850976694169 = 756638^2 + 6312763^2 .

It is a cyclic number.

It is not a de Polignac number, because 40423477757213 - 2¹² = 40423477753117 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 (40423477757293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331339981556 + ... + 331339981677.

It is an arithmetic number, because the mean of its divisors is an integer number (10271539430127).

Almost surely, 2^{40423477757213} is an apocalyptic number.

It is an amenable number.

40423477757213 is a deficient number, since it is larger than the sum of its proper divisors (662679963295).

40423477757213 is an equidigital number, since it uses as much as digits as its factorization.

40423477757213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662679963294.

The product of its (nonzero) digits is 27659520, while the sum is 56.

The spelling of 40423477757213 in words is "forty trillion, four hundred twenty-three billion, four hundred seventy-seven million, seven hundred fifty-seven thousand, two hundred thirteen".