40829097971 has 4 divisors (see below), whose sum is σ = 40847303112. Its totient is φ = 40810892832.

The previous prime is 40829097949. The next prime is 40829097989. The reversal of 40829097971 is 17979092804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40829097971 - 2¹⁰ = 40829096947 is a prime.

It is a super-2 number, since 2×40829097971² (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 (40829097271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9099206 + ... + 9103691.

It is an arithmetic number, because the mean of its divisors is an integer number (10211825778).

Almost surely, 2^40829097971 is an apocalyptic number.

40829097971 is a deficient number, since it is larger than the sum of its proper divisors (18205141).

40829097971 is a wasteful number, since it uses less digits than its factorization.

40829097971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18205140.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 40829097971 in words is "forty billion, eight hundred twenty-nine million, ninety-seven thousand, nine hundred seventy-one".