2530917427920 has 480 divisors, whose sum is σ = 9696874860288. Its totient is φ = 542595465216.

The previous prime is 2530917427879. The next prime is 2530917427921. The reversal of 2530917427920 is 297247190352.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530917427921) 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, 58554957 + ... + 58598163.

Almost surely, 2^{2530917427920} is an apocalyptic number.

2530917427920 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 2530917427920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4848437430144).

2530917427920 is an abundant number, since it is smaller than the sum of its proper divisors (7165957432368).

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

2530917427920 is a wasteful number, since it uses less digits than its factorization.

2530917427920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43547 (or 43534 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 2530917427920 in words is "two trillion, five hundred thirty billion, nine hundred seventeen million, four hundred twenty-seven thousand, nine hundred twenty".