2530454202540 has 144 divisors (see below), whose sum is σ = 8683632921600. Its totient is φ = 613443430080.

The previous prime is 2530454202517. The next prime is 2530454202541. The reversal of 2530454202540 is 452024540352.

2530454202540 is a `hidden beast` number, since 2 + 5 + 30 + 45 + 42 + 0 + 2 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2530454202495 and 2530454202504.

It is not an unprimeable number, because it can be changed into a prime (2530454202541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23613340 + ... + 23720259.

It is an arithmetic number, because the mean of its divisors is an integer number (60303006400).

Almost surely, 2^{2530454202540} is an apocalyptic number.

2530454202540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530454202540 is an abundant number, since it is smaller than the sum of its proper divisors (6153178719060).

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

2530454202540 is a wasteful number, since it uses less digits than its factorization.

2530454202540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47333634 (or 47333620 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 2530454202540 its reverse (452024540352), we get a palindrome (2982478742892).

The spelling of 2530454202540 in words is "two trillion, five hundred thirty billion, four hundred fifty-four million, two hundred two thousand, five hundred forty".