40821043329 has 24 divisors (see below), whose sum is σ = 64647336000. Its totient is φ = 24615692640.

The previous prime is 40821043309. The next prime is 40821043349. The reversal of 40821043329 is 92334012804.

40821043329 is a `hidden beast` number, since 4 + 0 + 8 + 210 + 433 + 2 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (40821043309) and next prime (40821043349).

It is not a de Polignac number, because 40821043329 - 2¹⁷ = 40820912257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40821043293 and 40821043302.

It is not an unprimeable number, because it can be changed into a prime (40821043309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1016314 + ... + 1055715.

It is an arithmetic number, because the mean of its divisors is an integer number (2693639000).

Almost surely, 2^40821043329 is an apocalyptic number.

It is an amenable number.

40821043329 is a deficient number, since it is larger than the sum of its proper divisors (23826292671).

40821043329 is a wasteful number, since it uses less digits than its factorization.

40821043329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072245 (or 2072242 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 40821043329 in words is "forty billion, eight hundred twenty-one million, forty-three thousand, three hundred twenty-nine".