1089023318238 has 32 divisors (see below), whose sum is σ = 2198089748736. Its totient is φ = 359681145408.

The previous prime is 1089023318219. The next prime is 1089023318239. The reversal of 1089023318238 is 8328133209801.

It is a happy number.

It is a super-2 number, since 2×1089023318238² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089023318239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1422556 + ... + 2049807.

It is an arithmetic number, because the mean of its divisors is an integer number (68690304648).

Almost surely, 2^{1089023318238} is an apocalyptic number.

1089023318238 is an abundant number, since it is smaller than the sum of its proper divisors (1109066430498).

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

1089023318238 is a wasteful number, since it uses less digits than its factorization.

1089023318238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472848.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 1089023318238 in words is "one trillion, eighty-nine billion, twenty-three million, three hundred eighteen thousand, two hundred thirty-eight".