12400541618 has 8 divisors (see below), whose sum is σ = 18601822848. Its totient is φ = 6199934004.

The previous prime is 12400541603. The next prime is 12400541683. The reversal of 12400541618 is 81614500421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12400541618³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119546 + ... + 197717.

It is an arithmetic number, because the mean of its divisors is an integer number (2325227856).

Almost surely, 2^12400541618 is an apocalyptic number.

12400541618 is a deficient number, since it is larger than the sum of its proper divisors (6201281230).

12400541618 is a wasteful number, since it uses less digits than its factorization.

12400541618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336808.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 12400541618 in words is "twelve billion, four hundred million, five hundred forty-one thousand, six hundred eighteen".