40995315729 has 21 divisors (see below), whose sum is σ = 61473053593. Its totient is φ = 27326565972.

The previous prime is 40995315721. The next prime is 40995315749. The reversal of 40995315729 is 92751359904.

The square root of 40995315729 is 202473.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 40995315729 - 2³ = 40995315721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40995315721) 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 20 ways as a sum of consecutive naturals, for example, 5463022 + ... + 5470520.

Almost surely, 2^40995315729 is an apocalyptic number.

40995315729 is the 202473-rd square number.

40995315729 is the 101237-th centered octagonal number.

It is an amenable number.

40995315729 is a deficient number, since it is larger than the sum of its proper divisors (20477737864).

40995315729 is an frugal number, since it uses more digits than its factorization.

40995315729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016 (or 7502 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 54.

The spelling of 40995315729 in words is "forty billion, nine hundred ninety-five million, three hundred fifteen thousand, seven hundred twenty-nine".