40554128 has 20 divisors (see below), whose sum is σ = 79652268. Its totient is φ = 19998720.

The previous prime is 40554121. The next prime is 40554139. The reversal of 40554128 is 82145504.

It can be written as a sum of positive squares in 2 ways, for example, as 23348224 + 17205904 = 4832^2 + 4148^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40554128.

It is not an unprimeable number, because it can be changed into a prime (40554121) 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, 16193 + ... + 18528.

Almost surely, 2^40554128 is an apocalyptic number.

It is an amenable number.

40554128 is a deficient number, since it is larger than the sum of its proper divisors (39098140).

40554128 is a wasteful number, since it uses less digits than its factorization.

40554128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34802 (or 34796 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 40554128 is about 6368.2123080186. The cubic root of 40554128 is about 343.5671950116.

The spelling of 40554128 in words is "forty million, five hundred fifty-four thousand, one hundred twenty-eight".