40218288871 has 8 divisors (see below), whose sum is σ = 41103459488. Its totient is φ = 39340404000.

The previous prime is 40218288853. The next prime is 40218288881. The reversal of 40218288871 is 17888281204.

It is a happy number.

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 40218288871 - 2¹⁹ = 40217764583 is a prime.

It is a super-2 number, since 2×40218288871² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40218288811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810275 + ... + 1832356.

It is an arithmetic number, because the mean of its divisors is an integer number (5137932436).

Almost surely, 2^40218288871 is an apocalyptic number.

40218288871 is a deficient number, since it is larger than the sum of its proper divisors (885170617).

40218288871 is a wasteful number, since it uses less digits than its factorization.

40218288871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642873.

The product of its (nonzero) digits is 458752, while the sum is 49.

The spelling of 40218288871 in words is "forty billion, two hundred eighteen million, two hundred eighty-eight thousand, eight hundred seventy-one".