40804898 has 16 divisors (see below), whose sum is σ = 64592640. Its totient is φ = 19294176.

The previous prime is 40804891. The next prime is 40804901. The reversal of 40804898 is 89840804.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40804891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 890 + ... + 9077.

It is an arithmetic number, because the mean of its divisors is an integer number (4037040).

Almost surely, 2^40804898 is an apocalyptic number.

40804898 is a deficient number, since it is larger than the sum of its proper divisors (23787742).

40804898 is a wasteful number, since it uses less digits than its factorization.

40804898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10081.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 40804898 is about 6387.8711633846. The cubic root of 40804898 is about 344.2738996242.

The spelling of 40804898 in words is "forty million, eight hundred four thousand, eight hundred ninety-eight".