40530544 has 20 divisors (see below), whose sum is σ = 80200224. Its totient is φ = 19833728.

The previous prime is 40530541. The next prime is 40530551. The reversal of 40530544 is 44503504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40530541) 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, 26197 + ... + 27700.

Almost surely, 2^40530544 is an apocalyptic number.

It is an amenable number.

40530544 is a deficient number, since it is larger than the sum of its proper divisors (39669680).

40530544 is a wasteful number, since it uses less digits than its factorization.

40530544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53952 (or 53946 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40530544 is about 6366.3603416709. The cubic root of 40530544 is about 343.5005823113.

The spelling of 40530544 in words is "forty million, five hundred thirty thousand, five hundred forty-four".