2587267420 has 48 divisors (see below), whose sum is σ = 5579517888. Its totient is φ = 1007400960.

The previous prime is 2587267379. The next prime is 2587267427. The reversal of 2587267420 is 247627852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2587267427) 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, 107409 + ... + 129271.

It is an arithmetic number, because the mean of its divisors is an integer number (116239956).

Almost surely, 2^2587267420 is an apocalyptic number.

2587267420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2587267420 is an abundant number, since it is smaller than the sum of its proper divisors (2992250468).

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

2587267420 is a wasteful number, since it uses less digits than its factorization.

2587267420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22030 (or 22028 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 2587267420 is about 50865.1886853868. The cubic root of 2587267420 is about 1372.8205552285.

The spelling of 2587267420 in words is "two billion, five hundred eighty-seven million, two hundred sixty-seven thousand, four hundred twenty".