40223304 has 192 divisors, whose sum is σ = 130872000. Its totient is φ = 11547360.

The previous prime is 40223303. The next prime is 40223311. The reversal of 40223304 is 40332204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40223303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2117007 + ... + 2117025.

It is an arithmetic number, because the mean of its divisors is an integer number (681625).

Almost surely, 2^40223304 is an apocalyptic number.

40223304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40223304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65436000).

40223304 is an abundant number, since it is smaller than the sum of its proper divisors (90648696).

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

40223304 is a wasteful number, since it uses less digits than its factorization.

40223304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40223304 is about 6342.1844817066. The cubic root of 40223304 is about 342.6304161733.

Adding to 40223304 its reverse (40332204), we get a palindrome (80555508).

Subtracting 40223304 from its reverse (40332204), we obtain a square (108900 = 330²).

The spelling of 40223304 in words is "forty million, two hundred twenty-three thousand, three hundred four".