40524728 has 16 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 19768000.

The previous prime is 40524727. The next prime is 40524733. The reversal of 40524728 is 82742504.

It is a junction number, because it is equal to n+sod(n) for n = 40524694 and 40524703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40524727) 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, 61448 + ... + 62103.

It is an arithmetic number, because the mean of its divisors is an integer number (4864860).

Almost surely, 2^40524728 is an apocalyptic number.

It is an amenable number.

40524728 is a deficient number, since it is larger than the sum of its proper divisors (37313032).

40524728 is a wasteful number, since it uses less digits than its factorization.

40524728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123598 (or 123594 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40524728 is about 6365.9035493793. The cubic root of 40524728 is about 343.4841511234.

The spelling of 40524728 in words is "forty million, five hundred twenty-four thousand, seven hundred twenty-eight".