40613323969 has 8 divisors (see below), whose sum is σ = 43012616328. Its totient is φ = 38215173120.

The previous prime is 40613323921. The next prime is 40613323981. The reversal of 40613323969 is 96932331604.

It can be written as a sum of positive squares in 4 ways, for example, as 15144994225 + 25468329744 = 123065^2 + 159588^2 .

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

It is not a de Polignac number, because 40613323969 - 2¹³ = 40613315777 is a prime.

It is a super-2 number, since 2×40613323969² (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 (40613323999) 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 7 ways as a sum of consecutive naturals, for example, 211572 + ... + 354949.

It is an arithmetic number, because the mean of its divisors is an integer number (5376577041).

Almost surely, 2^40613323969 is an apocalyptic number.

It is an amenable number.

40613323969 is a deficient number, since it is larger than the sum of its proper divisors (2399292359).

40613323969 is a wasteful number, since it uses less digits than its factorization.

40613323969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570755.

The product of its (nonzero) digits is 629856, while the sum is 46.

The spelling of 40613323969 in words is "forty billion, six hundred thirteen million, three hundred twenty-three thousand, nine hundred sixty-nine".