40218276 has 96 divisors (see below), whose sum is σ = 111992832. Its totient is φ = 10995840.

The previous prime is 40218251. The next prime is 40218281. The reversal of 40218276 is 67281204.

40218276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240745 + ... + 240911.

It is an arithmetic number, because the mean of its divisors is an integer number (1166592).

Almost surely, 2^40218276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40218276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55996416).

40218276 is an abundant number, since it is smaller than the sum of its proper divisors (71774556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40218276 is a wasteful number, since it uses less digits than its factorization.

40218276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40218276 is about 6341.7880759294. The cubic root of 40218276 is about 342.6161390640.

The spelling of 40218276 in words is "forty million, two hundred eighteen thousand, two hundred seventy-six".