238494699763320 has 768 divisors, whose sum is σ = 1009346632519680. Its totient is φ = 44269579468800.

The previous prime is 238494699763303. The next prime is 238494699763321. The reversal of 238494699763320 is 23367996494832.

It is a super-2 number, since 2×238494699763320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238494699763321) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 21491224 + ... + 30640856.

It is an arithmetic number, because the mean of its divisors is an integer number (1314253427760).

Almost surely, 2^{238494699763320} is an apocalyptic number.

238494699763320 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 238494699763320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504673316259840).

238494699763320 is an abundant number, since it is smaller than the sum of its proper divisors (770851932756360).

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

238494699763320 is a wasteful number, since it uses less digits than its factorization.

238494699763320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9149716 (or 9149705 counting only the distinct ones).

The product of its (nonzero) digits is 2539579392, while the sum is 75.

The spelling of 238494699763320 in words is "two hundred thirty-eight trillion, four hundred ninety-four billion, six hundred ninety-nine million, seven hundred sixty-three thousand, three hundred twenty".