1238485913280 has 1344 divisors, whose sum is σ = 5836695667200. Its totient is φ = 243785687040.

The previous prime is 1238485913279. The next prime is 1238485913281. The reversal of 1238485913280 is 823195848321.

1238485913280 is a `hidden beast` number, since 1 + 2 + 3 + 8 + 48 + 591 + 3 + 2 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1238485913279) and next prime (1238485913281).

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1238485913281) 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, 88475242 + ... + 88489238.

Almost surely, 2^{1238485913280} is an apocalyptic number.

1238485913280 is a gapful number since it is divisible by the number (10) 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 1238485913280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2918347833600).

1238485913280 is an abundant number, since it is smaller than the sum of its proper divisors (4598209753920).

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

1238485913280 is a wasteful number, since it uses less digits than its factorization.

1238485913280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067 (or 14044 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 1238485913280 in words is "one trillion, two hundred thirty-eight billion, four hundred eighty-five million, nine hundred thirteen thousand, two hundred eighty".