40537224 has 192 divisors, whose sum is σ = 141523200. Its totient is φ = 10188288.

The previous prime is 40537223. The next prime is 40537229. The reversal of 40537224 is 42273504.

40537224 is a `hidden beast` number, since 405 + 37 + 224 = 666.

It is not an unprimeable number, because it can be changed into a prime (40537223) 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, 150562 + ... + 150830.

It is an arithmetic number, because the mean of its divisors is an integer number (737100).

Almost surely, 2^40537224 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 40537224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70761600).

40537224 is an abundant number, since it is smaller than the sum of its proper divisors (100985976).

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

40537224 is a wasteful number, since it uses less digits than its factorization.

40537224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 40537224 is about 6366.8849526279. The cubic root of 40537224 is about 343.5194525066.

The spelling of 40537224 in words is "forty million, five hundred thirty-seven thousand, two hundred twenty-four".