238992299520 has 640 divisors, whose sum is σ = 917176296960. Its totient is φ = 52447150080.

The previous prime is 238992299473. The next prime is 238992299629. The reversal of 238992299520 is 25992299832.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32244615 + ... + 32252025.

It is an arithmetic number, because the mean of its divisors is an integer number (1433087964).

Almost surely, 2^238992299520 is an apocalyptic number.

238992299520 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 238992299520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458588148480).

238992299520 is an abundant number, since it is smaller than the sum of its proper divisors (678183997440).

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

238992299520 is a wasteful number, since it uses less digits than its factorization.

238992299520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486 (or 7470 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 238992299520 in words is "two hundred thirty-eight billion, nine hundred ninety-two million, two hundred ninety-nine thousand, five hundred twenty".