40218298 has 8 divisors (see below), whose sum is σ = 60631200. Its totient is φ = 20007900.

The previous prime is 40218293. The next prime is 40218313. The reversal of 40218298 is 89281204.

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

It is a super-2 number, since 2×40218298² = 3235022988033608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40218293) 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, 50128 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (7578900).

Almost surely, 2^40218298 is an apocalyptic number.

40218298 is a deficient number, since it is larger than the sum of its proper divisors (20412902).

40218298 is a wasteful number, since it uses less digits than its factorization.

40218298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101252.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 40218298 is about 6341.7898104557. The cubic root of 40218298 is about 342.6162015360.

The spelling of 40218298 in words is "forty million, two hundred eighteen thousand, two hundred ninety-eight".