40218341236 has 48 divisors (see below), whose sum is σ = 75706638336. Its totient is φ = 18649451744.

The previous prime is 40218341221. The next prime is 40218341249. The reversal of 40218341236 is 63214381204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419205 + ... + 506131.

It is an arithmetic number, because the mean of its divisors is an integer number (1577221632).

Almost surely, 2^40218341236 is an apocalyptic number.

40218341236 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40218341236 is a deficient number, since it is larger than the sum of its proper divisors (35488297100).

40218341236 is a wasteful number, since it uses less digits than its factorization.

40218341236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87108 (or 87106 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 40218341236 in words is "forty billion, two hundred eighteen million, three hundred forty-one thousand, two hundred thirty-six".