40269734213 has 4 divisors (see below), whose sum is σ = 40270476588. Its totient is φ = 40268991840.

The previous prime is 40269734191. The next prime is 40269734233. The reversal of 40269734213 is 31243796204.

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 8858197924 + 31411536289 = 94118^2 + 177233^2 .

It is a cyclic number.

It is not a de Polignac number, because 40269734213 - 2⁶ = 40269734149 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 (40269734233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282806 + ... + 400647.

It is an arithmetic number, because the mean of its divisors is an integer number (10067619147).

Almost surely, 2^40269734213 is an apocalyptic number.

It is an amenable number.

40269734213 is a deficient number, since it is larger than the sum of its proper divisors (742375).

40269734213 is an equidigital number, since it uses as much as digits as its factorization.

40269734213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742374.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 40269734213 in words is "forty billion, two hundred sixty-nine million, seven hundred thirty-four thousand, two hundred thirteen".