40538554 has 16 divisors (see below), whose sum is σ = 69581376. Its totient is φ = 17352000.

The previous prime is 40538543. The next prime is 40538573. The reversal of 40538554 is 45583504.

40538554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15609 + ... + 18019.

It is an arithmetic number, because the mean of its divisors is an integer number (4348836).

Almost surely, 2^40538554 is an apocalyptic number.

40538554 is a deficient number, since it is larger than the sum of its proper divisors (29042822).

40538554 is a wasteful number, since it uses less digits than its factorization.

40538554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 40538554 is about 6366.9893984520. The cubic root of 40538554 is about 343.5232093489.

The spelling of 40538554 in words is "forty million, five hundred thirty-eight thousand, five hundred fifty-four".