40532544 has 84 divisors (see below), whose sum is σ = 125139196. Its totient is φ = 12469248.

The previous prime is 40532543. The next prime is 40532599. The reversal of 40532544 is 44523504.

40532544 is a `hidden beast` number, since 405 + 3 + 254 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7354944 + 33177600 = 2712^2 + 5760^2 .

It is a super-2 number, since 2×40532544² = 3285774246223872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40532543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4782 + ... + 10194.

Almost surely, 2^40532544 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 40532544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62569598).

40532544 is an abundant number, since it is smaller than the sum of its proper divisors (84606652).

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

40532544 is a wasteful number, since it uses less digits than its factorization.

40532544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444 (or 5431 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 40532544 is about 6366.5174153535. The cubic root of 40532544 is about 343.5062322878.

The spelling of 40532544 in words is "forty million, five hundred thirty-two thousand, five hundred forty-four".