2581498308480 has 768 divisors, whose sum is σ = 10277469734400. Its totient is φ = 539619065856.

The previous prime is 2581498308463. The next prime is 2581498308481. The reversal of 2581498308480 is 848038941852.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581498308481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 247573027 + ... + 247583453.

It is an arithmetic number, because the mean of its divisors is an integer number (13382122050).

Almost surely, 2^{2581498308480} is an apocalyptic number.

2581498308480 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 2581498308480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5138734867200).

2581498308480 is an abundant number, since it is smaller than the sum of its proper divisors (7695971425920).

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

2581498308480 is a wasteful number, since it uses less digits than its factorization.

2581498308480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10591 (or 10566 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 60.

The spelling of 2581498308480 in words is "two trillion, five hundred eighty-one billion, four hundred ninety-eight million, three hundred eight thousand, four hundred eighty".