40936064369 has 8 divisors (see below), whose sum is σ = 41715426600. Its totient is φ = 40156960896.

The previous prime is 40936064353. The next prime is 40936064381. The reversal of 40936064369 is 96346063904.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22327830625 + 18608233744 = 149425^2 + 136412^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40936064369 - 2⁴ = 40936064353 is a prime.

It is a super-2 number, since 2×40936064369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40936064339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271157 + ... + 394205.

It is an arithmetic number, because the mean of its divisors is an integer number (5214428325).

Almost surely, 2^40936064369 is an apocalyptic number.

It is an amenable number.

40936064369 is a deficient number, since it is larger than the sum of its proper divisors (779362231).

40936064369 is a wasteful number, since it uses less digits than its factorization.

40936064369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129379.

The product of its (nonzero) digits is 2519424, while the sum is 50.

The spelling of 40936064369 in words is "forty billion, nine hundred thirty-six million, sixty-four thousand, three hundred sixty-nine".