1338023492390 has 16 divisors (see below), whose sum is σ = 2593707077808. Its totient is φ = 494039443296.

The previous prime is 1338023492389. The next prime is 1338023492417. The reversal of 1338023492390 is 932943208331.

It is a Curzon number.

It is a congruent number.

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, 5146244072 + ... + 5146244331.

It is an arithmetic number, because the mean of its divisors is an integer number (162106692363).

Almost surely, 2^{1338023492390} is an apocalyptic number.

1338023492390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338023492390 is a deficient number, since it is larger than the sum of its proper divisors (1255683585418).

1338023492390 is a wasteful number, since it uses less digits than its factorization.

1338023492390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10292488423.

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 1338023492390 in words is "one trillion, three hundred thirty-eight billion, twenty-three million, four hundred ninety-two thousand, three hundred ninety".