2142488856 has 64 divisors (see below), whose sum is σ = 5397045120. Its totient is φ = 708744960.

The previous prime is 2142488827. The next prime is 2142488897. The reversal of 2142488856 is 6588842412.

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, 2247676 + ... + 2248628.

It is an arithmetic number, because the mean of its divisors is an integer number (84328830).

Almost surely, 2^2142488856 is an apocalyptic number.

It is an amenable number.

2142488856 is an abundant number, since it is smaller than the sum of its proper divisors (3254556264).

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

2142488856 is a wasteful number, since it uses less digits than its factorization.

2142488856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1572 counting only the distinct ones).

The product of its digits is 983040, while the sum is 48.

The square root of 2142488856 is about 46287.0268649867. The cubic root of 2142488856 is about 1289.1581262602.

The spelling of 2142488856 in words is "two billion, one hundred forty-two million, four hundred eighty-eight thousand, eight hundred fifty-six".