2287156040 has 64 divisors (see below), whose sum is σ = 5582001600. Its totient is φ = 838386432.

The previous prime is 2287155991. The next prime is 2287156127. The reversal of 2287156040 is 406517822.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 56459 + ... + 88101.

It is an arithmetic number, because the mean of its divisors is an integer number (87218775).

Almost surely, 2^2287156040 is an apocalyptic number.

2287156040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2287156040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2791000800).

2287156040 is an abundant number, since it is smaller than the sum of its proper divisors (3294845560).

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

2287156040 is a wasteful number, since it uses less digits than its factorization.

2287156040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31806 (or 31802 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 2287156040 is about 47824.2202236482. The cubic root of 2287156040 is about 1317.5444169824.

The spelling of 2287156040 in words is "two billion, two hundred eighty-seven million, one hundred fifty-six thousand, forty".