2148940288 has 40 divisors (see below), whose sum is σ = 4684030560. Its totient is φ = 976788480.

The previous prime is 2148940271. The next prime is 2148940291. The reversal of 2148940288 is 8820498412.

It is a super-2 number, since 2×2148940288² = 9235888722779045888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185148 + ... + 196411.

It is an arithmetic number, because the mean of its divisors is an integer number (117100764).

Almost surely, 2^2148940288 is an apocalyptic number.

It is an amenable number.

2148940288 is an abundant number, since it is smaller than the sum of its proper divisors (2535090272).

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

2148940288 is an equidigital number, since it uses as much as digits as its factorization.

2148940288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381588 (or 381572 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 2148940288 is about 46356.6639006734. The cubic root of 2148940288 is about 1290.4507945163.

The spelling of 2148940288 in words is "two billion, one hundred forty-eight million, nine hundred forty thousand, two hundred eighty-eight".