218400002376 has 32 divisors (see below), whose sum is σ = 554149263840. Its totient is φ = 71713433088.

The previous prime is 218400002339. The next prime is 218400002393. The reversal of 218400002376 is 673200004812.

It is a super-2 number, since 2×218400002376² (a number of 23 digits) contains 22 as substring.

218400002376 is a modest number, since divided by 2376 gives 2184 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67908841 + ... + 67912056.

It is an arithmetic number, because the mean of its divisors is an integer number (17317164495).

Almost surely, 2^218400002376 is an apocalyptic number.

It is an amenable number.

218400002376 is an abundant number, since it is smaller than the sum of its proper divisors (335749261464).

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

218400002376 is a wasteful number, since it uses less digits than its factorization.

218400002376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135820973 (or 135820969 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 218400002376 in words is "two hundred eighteen billion, four hundred million, two thousand, three hundred seventy-six".