40923828 has 72 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 11669760.

The previous prime is 40923823. The next prime is 40923829. The reversal of 40923828 is 82832904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40923792 and 40923801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40923821) 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, 3693 + ... + 9771.

It is an arithmetic number, because the mean of its divisors is an integer number (1659840).

Almost surely, 2^40923828 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 40923828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59754240).

40923828 is an abundant number, since it is smaller than the sum of its proper divisors (78584652).

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

40923828 is a wasteful number, since it uses less digits than its factorization.

40923828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6117 (or 6112 counting only the distinct ones).

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

The square root of 40923828 is about 6397.1734383241. The cubic root of 40923828 is about 344.6080488907.

The spelling of 40923828 in words is "forty million, nine hundred twenty-three thousand, eight hundred twenty-eight".