2587648380 has 48 divisors (see below), whose sum is σ = 7626756480. Its totient is φ = 653721408.

The previous prime is 2587648379. The next prime is 2587648417. The reversal of 2587648380 is 838467852.

It is a happy number.

2587648380 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133794 + ... + 1136073.

It is an arithmetic number, because the mean of its divisors is an integer number (158890760).

Almost surely, 2^2587648380 is an apocalyptic number.

2587648380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2587648380 is an abundant number, since it is smaller than the sum of its proper divisors (5039108100).

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

2587648380 is a wasteful number, since it uses less digits than its factorization.

2587648380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269898 (or 2269896 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 2587648380 is about 50868.9333483611. The cubic root of 2587648380 is about 1372.8879318550.

The spelling of 2587648380 in words is "two billion, five hundred eighty-seven million, six hundred forty-eight thousand, three hundred eighty".