1238725488 has 480 divisors, whose sum is σ = 4559708160. Its totient is φ = 284497920.

The previous prime is 1238725471. The next prime is 1238725511. The reversal of 1238725488 is 8845278321.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (860160) is a multiple of the sum of its prime divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9753681 + ... + 9753807.

It is an arithmetic number, because the mean of its divisors is an integer number (9499392).

Almost surely, 2^1238725488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238725488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2279854080).

1238725488 is an abundant number, since it is smaller than the sum of its proper divisors (3320982672).

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

1238725488 is a wasteful number, since it uses less digits than its factorization.

1238725488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 192 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 1238725488 is about 35195.5322164618. The cubic root of 1238725488 is about 1073.9688653764.

The spelling of 1238725488 in words is "one billion, two hundred thirty-eight million, seven hundred twenty-five thousand, four hundred eighty-eight".