40502224 has 60 divisors (see below), whose sum is σ = 96124800. Its totient is φ = 16438464.

The previous prime is 40502221. The next prime is 40502239. The reversal of 40502224 is 42220504.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40502221) 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, 13537 + ... + 16255.

It is an arithmetic number, because the mean of its divisors is an integer number (1602080).

Almost surely, 2^40502224 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 40502224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48062400).

40502224 is an abundant number, since it is smaller than the sum of its proper divisors (55622576).

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

40502224 is a wasteful number, since it uses less digits than its factorization.

40502224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 40502224 is about 6364.1357622226. The cubic root of 40502224 is about 343.4205586867.

Adding to 40502224 its reverse (42220504), we get a palindrome (82722728).

The spelling of 40502224 in words is "forty million, five hundred two thousand, two hundred twenty-four".