2287428040 has 16 divisors (see below), whose sum is σ = 5146713180. Its totient is φ = 914971200.

The previous prime is 2287428037. The next prime is 2287428049. The reversal of 2287428040 is 408247822.

It can be written as a sum of positive squares in 2 ways, for example, as 2127607876 + 159820164 = 46126^2 + 12642^2 .

It is not an unprimeable number, because it can be changed into a prime (2287428049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28592811 + ... + 28592890.

Almost surely, 2^2287428040 is an apocalyptic number.

2287428040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2287428040 is an abundant number, since it is smaller than the sum of its proper divisors (2859285140).

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

2287428040 is a wasteful number, since it uses less digits than its factorization.

2287428040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57185712 (or 57185708 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 2287428040 is about 47827.0638864650. The cubic root of 2287428040 is about 1317.5966445625.

The spelling of 2287428040 in words is "two billion, two hundred eighty-seven million, four hundred twenty-eight thousand, forty".