40565484 has 72 divisors (see below), whose sum is σ = 106975232. Its totient is φ = 12947040.

The previous prime is 40565477. The next prime is 40565521. The reversal of 40565484 is 48456504.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181797 + ... + 182019.

Almost surely, 2^40565484 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 40565484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53487616).

40565484 is an abundant number, since it is smaller than the sum of its proper divisors (66409748).

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

40565484 is a wasteful number, since it uses less digits than its factorization.

40565484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 40565484 is about 6369.1038616119. The cubic root of 40565484 is about 343.5992606741.

The spelling of 40565484 in words is "forty million, five hundred sixty-five thousand, four hundred eighty-four".