40550528 has 16 divisors (see below), whose sum is σ = 80784510. Its totient is φ = 20275200.

The previous prime is 40550509. The next prime is 40550533. The reversal of 40550528 is 82505504.

It can be written as a sum of positive squares in only one way, i.e., 40043584 + 506944 = 6328^2 + 712^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 40550528.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158273 + ... + 158528.

Almost surely, 2^40550528 is an apocalyptic number.

It is an amenable number.

40550528 is a deficient number, since it is larger than the sum of its proper divisors (40233982).

40550528 is an equidigital number, since it uses as much as digits as its factorization.

40550528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316815 (or 316803 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 40550528 is about 6367.9296478526. The cubic root of 40550528 is about 343.5570285290.

The spelling of 40550528 in words is "forty million, five hundred fifty thousand, five hundred twenty-eight".