40218613952 has 28 divisors (see below), whose sum is σ = 87064160136. Its totient is φ = 18281187840.

The previous prime is 40218613937. The next prime is 40218614003. The reversal of 40218613952 is 25931681204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28563653 + ... + 28565060.

Almost surely, 2^40218613952 is an apocalyptic number.

It is an amenable number.

40218613952 is an abundant number, since it is smaller than the sum of its proper divisors (46845546184).

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

40218613952 is a wasteful number, since it uses less digits than its factorization.

40218613952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57128736 (or 57128726 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 40218613952 in words is "forty billion, two hundred eighteen million, six hundred thirteen thousand, nine hundred fifty-two".