2238403689800 has 24 divisors (see below), whose sum is σ = 5204288579250. Its totient is φ = 895361475840.

The previous prime is 2238403689793. The next prime is 2238403689839. The reversal of 2238403689800 is 89863048322.

It can be written as a sum of positive squares in 3 ways, for example, as 1743133997284 + 495269692516 = 1320278^2 + 703754^2 .

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 5 ways as a sum of consecutive naturals, for example, 5596009025 + ... + 5596009424.

Almost surely, 2^{2238403689800} is an apocalyptic number.

2238403689800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238403689800 is an abundant number, since it is smaller than the sum of its proper divisors (2965884889450).

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

2238403689800 is a wasteful number, since it uses less digits than its factorization.

2238403689800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192018465 (or 11192018456 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 2238403689800 in words is "two trillion, two hundred thirty-eight billion, four hundred three million, six hundred eighty-nine thousand, eight hundred".