40530950329 has 9 divisors (see below), whose sum is σ = 40928364687. Its totient is φ = 40137363864.

The previous prime is 40530950323. The next prime is 40530950357. The reversal of 40530950329 is 92305903504.

The square root of 40530950329 is 201323.

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

It can be written as a sum of positive squares in only one way, i.e., 28249877929 + 12281072400 = 168077^2 + 110820^2 .

It is not a de Polignac number, because 40530950329 - 2⁹ = 40530949817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40530950291 and 40530950300.

It is not an unprimeable number, because it can be changed into a prime (40530950323) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21943284 + ... + 21945130.

Almost surely, 2^40530950329 is an apocalyptic number.

40530950329 is the 201323-rd square number.

40530950329 is the 100662-nd centered octagonal number.

It is an amenable number.

40530950329 is a deficient number, since it is larger than the sum of its proper divisors (397414358).

40530950329 is an frugal number, since it uses more digits than its factorization.

40530950329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 40530950329 in words is "forty billion, five hundred thirty million, nine hundred fifty thousand, three hundred twenty-nine".