238490609280 has 512 divisors, whose sum is σ = 949465221120. Its totient is φ = 49467801600.

The previous prime is 238490609267. The next prime is 238490609297. The reversal of 238490609280 is 82906094832.

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, 111913815 + ... + 111915945.

It is an arithmetic number, because the mean of its divisors is an integer number (1854424260).

Almost surely, 2^238490609280 is an apocalyptic number.

238490609280 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 238490609280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474732610560).

238490609280 is an abundant number, since it is smaller than the sum of its proper divisors (710974611840).

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

238490609280 is a wasteful number, since it uses less digits than its factorization.

238490609280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 238490609280 in words is "two hundred thirty-eight billion, four hundred ninety million, six hundred nine thousand, two hundred eighty".