238669668720 has 400 divisors, whose sum is σ = 962895983808. Its totient is φ = 53658132480.

The previous prime is 238669668707. The next prime is 238669668739. The reversal of 238669668720 is 27866966832.

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

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 2723832 + ... + 2810088.

Almost surely, 2^238669668720 is an apocalyptic number.

238669668720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238669668720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481447991904).

238669668720 is an abundant number, since it is smaller than the sum of its proper divisors (724226315088).

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

238669668720 is a wasteful number, since it uses less digits than its factorization.

238669668720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86350 (or 86335 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 238669668720 in words is "two hundred thirty-eight billion, six hundred sixty-nine million, six hundred sixty-eight thousand, seven hundred twenty".