40084554 has 32 divisors (see below), whose sum is σ = 83747520. Its totient is φ = 12774272.

The previous prime is 40084549. The next prime is 40084567. The reversal of 40084554 is 45548004.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17542 + ... + 19694.

It is an arithmetic number, because the mean of its divisors is an integer number (2617110).

Almost surely, 2^40084554 is an apocalyptic number.

40084554 is an abundant number, since it is smaller than the sum of its proper divisors (43662966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40084554 is a wasteful number, since it uses less digits than its factorization.

40084554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 40084554 is about 6331.2363721472. The cubic root of 40084554 is about 342.2359952494.

The spelling of 40084554 in words is "forty million, eighty-four thousand, five hundred fifty-four".