40823992 has 32 divisors (see below), whose sum is σ = 85088880. Its totient is φ = 18204160.

The previous prime is 40823977. The next prime is 40823999. The reversal of 40823992 is 29932804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40823999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288 + ... + 9040.

Almost surely, 2^40823992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40823992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42544440).

40823992 is an abundant number, since it is smaller than the sum of its proper divisors (44264888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40823992 is a wasteful number, since it uses less digits than its factorization.

40823992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8823 (or 8819 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 40823992 is about 6389.3655397074. The cubic root of 40823992 is about 344.3275904072.

The spelling of 40823992 in words is "forty million, eight hundred twenty-three thousand, nine hundred ninety-two".