40565472 has 24 divisors (see below), whose sum is σ = 106484616. Its totient is φ = 13521792.

The previous prime is 40565471. The next prime is 40565477. The reversal of 40565472 is 27456504.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×40565472³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40565471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211183 + ... + 211374.

It is an arithmetic number, because the mean of its divisors is an integer number (4436859).

Almost surely, 2^40565472 is an apocalyptic number.

It is an amenable number.

40565472 is an abundant number, since it is smaller than the sum of its proper divisors (65919144).

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

40565472 is a wasteful number, since it uses less digits than its factorization.

40565472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422570 (or 422562 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 40565472 is about 6369.1029195641. The cubic root of 40565472 is about 343.5992267932.

The spelling of 40565472 in words is "forty million, five hundred sixty-five thousand, four hundred seventy-two".