40198067 has 8 divisors (see below), whose sum is σ = 49474656. Its totient is φ = 31804992.

The previous prime is 40198033. The next prime is 40198097. The reversal of 40198067 is 76089104.

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

It is a cyclic number.

It is not a de Polignac number, because 40198067 - 2⁶ = 40198003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40198097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220778 + ... + 220959.

It is an arithmetic number, because the mean of its divisors is an integer number (6184332).

Almost surely, 2^40198067 is an apocalyptic number.

40198067 is a deficient number, since it is larger than the sum of its proper divisors (9276589).

40198067 is a wasteful number, since it uses less digits than its factorization.

40198067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441757.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 40198067 is about 6340.1945553745. The cubic root of 40198067 is about 342.5587431876.

The spelling of 40198067 in words is "forty million, one hundred ninety-eight thousand, sixty-seven".