40382829 has 12 divisors (see below), whose sum is σ = 58489600. Its totient is φ = 26848584.

The previous prime is 40382807. The next prime is 40382857. The reversal of 40382829 is 92828304.

It is not a de Polignac number, because 40382829 - 2¹⁹ = 39858541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40382793 and 40382802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40382899) 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, 2509 + ... + 9330.

Almost surely, 2^40382829 is an apocalyptic number.

It is an amenable number.

40382829 is a deficient number, since it is larger than the sum of its proper divisors (18106771).

40382829 is a wasteful number, since it uses less digits than its factorization.

40382829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12224 (or 12221 counting only the distinct ones).

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

The square root of 40382829 is about 6354.7485394782. The cubic root of 40382829 is about 343.0827743235.

The spelling of 40382829 in words is "forty million, three hundred eighty-two thousand, eight hundred twenty-nine".