2530126407840 has 48 divisors (see below), whose sum is σ = 7969898186208. Its totient is φ = 674700375296.

The previous prime is 2530126407821. The next prime is 2530126407841. The reversal of 2530126407840 is 487046210352.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2530126407792 and 2530126407801.

It is not an unprimeable number, because it can be changed into a prime (2530126407841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635547862 + ... + 2635548821.

It is an arithmetic number, because the mean of its divisors is an integer number (166039545546).

Almost surely, 2^{2530126407840} is an apocalyptic number.

2530126407840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530126407840 is an abundant number, since it is smaller than the sum of its proper divisors (5439771778368).

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

2530126407840 is a wasteful number, since it uses less digits than its factorization.

2530126407840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271096701 (or 5271096693 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 2530126407840 in words is "two trillion, five hundred thirty billion, one hundred twenty-six million, four hundred seven thousand, eight hundred forty".