40823829 has 12 divisors (see below), whose sum is σ = 59217600. Its totient is φ = 27100584.

The previous prime is 40823801. The next prime is 40823831. The reversal of 40823829 is 92832804.

It is not a de Polignac number, because 40823829 - 2¹³ = 40815637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40823793 and 40823802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40823729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7339 + ... + 11640.

It is an arithmetic number, because the mean of its divisors is an integer number (4934800).

Almost surely, 2^40823829 is an apocalyptic number.

It is an amenable number.

40823829 is a deficient number, since it is larger than the sum of its proper divisors (18393771).

40823829 is a wasteful number, since it uses less digits than its factorization.

40823829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19224 (or 19221 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40823829 is about 6389.3527841245. The cubic root of 40823829 is about 344.3271321352.

The spelling of 40823829 in words is "forty million, eight hundred twenty-three thousand, eight hundred twenty-nine".