2148508788 has 24 divisors (see below), whose sum is σ = 5022367392. Its totient is φ = 714858144.

The previous prime is 2148508783. The next prime is 2148508793. The reversal of 2148508788 is 8878058412.

It is an interprime number because it is at equal distance from previous prime (2148508783) and next prime (2148508793).

It is a super-2 number, since 2×2148508788² = 9232180024226457888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2148508788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148508783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157095 + ... + 170222.

It is an arithmetic number, because the mean of its divisors is an integer number (209265308).

Almost surely, 2^2148508788 is an apocalyptic number.

It is an amenable number.

2148508788 is an abundant number, since it is smaller than the sum of its proper divisors (2873858604).

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

2148508788 is a wasteful number, since it uses less digits than its factorization.

2148508788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327871 (or 327869 counting only the distinct ones).

The product of its (nonzero) digits is 1146880, while the sum is 51.

The square root of 2148508788 is about 46352.0095357256. The cubic root of 2148508788 is about 1290.3644160045.

The spelling of 2148508788 in words is "two billion, one hundred forty-eight million, five hundred eight thousand, seven hundred eighty-eight".