40267018 has 8 divisors (see below), whose sum is σ = 65891520. Its totient is φ = 18303180.

The previous prime is 40267013. The next prime is 40267021. The reversal of 40267018 is 81076204.

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

It is a super-2 number, since 2×40267018² = 3242865477224648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40267013) 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, 915138 + ... + 915181.

It is an arithmetic number, because the mean of its divisors is an integer number (8236440).

Almost surely, 2^40267018 is an apocalyptic number.

40267018 is a deficient number, since it is larger than the sum of its proper divisors (25624502).

40267018 is a wasteful number, since it uses less digits than its factorization.

40267018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830332.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 40267018 is about 6345.6298347761. The cubic root of 40267018 is about 342.7544928647.

The spelling of 40267018 in words is "forty million, two hundred sixty-seven thousand, eighteen".