40842398 has 8 divisors (see below), whose sum is σ = 64867392. Its totient is φ = 19219936.

The previous prime is 40842397. The next prime is 40842427. The reversal of 40842398 is 89324804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40842397) 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, 600590 + ... + 600657.

It is an arithmetic number, because the mean of its divisors is an integer number (8108424).

Almost surely, 2^40842398 is an apocalyptic number.

40842398 is a deficient number, since it is larger than the sum of its proper divisors (24024994).

40842398 is a wasteful number, since it uses less digits than its factorization.

40842398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201266.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 40842398 is about 6390.8057394980. The cubic root of 40842398 is about 344.3793307448.

The spelling of 40842398 in words is "forty million, eight hundred forty-two thousand, three hundred ninety-eight".