2238468294636 has 72 divisors (see below), whose sum is σ = 6689675385120. Its totient is φ = 617508493056.

The previous prime is 2238468294613. The next prime is 2238468294637. The reversal of 2238468294636 is 6364928648322.

It is a happy number.

2238468294636 is a `hidden beast` number, since 2 + 23 + 8 + 468 + 2 + 94 + 63 + 6 = 666.

2238468294636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2238468294637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153144601 + ... + 153159216.

Almost surely, 2^{2238468294636} is an apocalyptic number.

It is an amenable number.

2238468294636 is an abundant number, since it is smaller than the sum of its proper divisors (4451207090484).

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

2238468294636 is a wasteful number, since it uses less digits than its factorization.

2238468294636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306303863 (or 306303858 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 63.

The spelling of 2238468294636 in words is "two trillion, two hundred thirty-eight billion, four hundred sixty-eight million, two hundred ninety-four thousand, six hundred thirty-six".