2887446240 has 144 divisors (see below), whose sum is σ = 11261079648. Its totient is φ = 659985408.

The previous prime is 2887446227. The next prime is 2887446241. The reversal of 2887446240 is 426447882.

2887446240 is a `hidden beast` number, since 2 + 88 + 74 + 462 + 40 = 666.

2887446240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887446241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133147 + ... + 153306.

It is an arithmetic number, because the mean of its divisors is an integer number (78201942).

Almost surely, 2^2887446240 is an apocalyptic number.

2887446240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2887446240 is an abundant number, since it is smaller than the sum of its proper divisors (8373633408).

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

2887446240 is a wasteful number, since it uses less digits than its factorization.

2887446240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286481 (or 286470 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 2887446240 is about 53734.9629198718. The cubic root of 2887446240 is about 1423.9824462340.

The spelling of 2887446240 in words is "two billion, eight hundred eighty-seven million, four hundred forty-six thousand, two hundred forty".