2530871420 has 48 divisors (see below), whose sum is σ = 6626285568. Its totient is φ = 788842560.

The previous prime is 2530871393. The next prime is 2530871429. The reversal of 2530871420 is 241780352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530871429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820172 + ... + 823251.

It is an arithmetic number, because the mean of its divisors is an integer number (138047616).

Almost surely, 2^2530871420 is an apocalyptic number.

2530871420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530871420 is an abundant number, since it is smaller than the sum of its proper divisors (4095414148).

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

2530871420 is a wasteful number, since it uses less digits than its factorization.

2530871420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643450 (or 1643448 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2530871420 is about 50307.7669947693. The cubic root of 2530871420 is about 1362.7724979759.

The spelling of 2530871420 in words is "two billion, five hundred thirty million, eight hundred seventy-one thousand, four hundred twenty".