2521490371680 has 384 divisors, whose sum is σ = 10029217056768. Its totient is φ = 518853722112.

The previous prime is 2521490371669. The next prime is 2521490371681. The reversal of 2521490371680 is 861730941252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521490371681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 354114 + ... + 2273406.

It is an arithmetic number, because the mean of its divisors is an integer number (26117752752).

It is a 1-persistent number, because it is pandigital, but 2⋅2521490371680 = 5042980743360 is not.

Almost surely, 2^{2521490371680} is an apocalyptic number.

2521490371680 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 2521490371680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5014608528384).

2521490371680 is an abundant number, since it is smaller than the sum of its proper divisors (7507726685088).

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

2521490371680 is a wasteful number, since it uses less digits than its factorization.

2521490371680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919358 (or 1919350 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 2521490371680 in words is "two trillion, five hundred twenty-one billion, four hundred ninety million, three hundred seventy-one thousand, six hundred eighty".