2148259280 has 40 divisors (see below), whose sum is σ = 4997076000. Its totient is φ = 858895488.

The previous prime is 2148259279. The next prime is 2148259313. The reversal of 2148259280 is 829528412.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2148259280² = 9230035868212236800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207671 + ... + 217769.

It is an arithmetic number, because the mean of its divisors is an integer number (124926900).

Almost surely, 2^2148259280 is an apocalyptic number.

2148259280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148259280 is an abundant number, since it is smaller than the sum of its proper divisors (2848816720).

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

2148259280 is a wasteful number, since it uses less digits than its factorization.

2148259280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771 (or 12765 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 2148259280 is about 46349.3180100851. The cubic root of 2148259280 is about 1290.3144637290.

The spelling of 2148259280 in words is "two billion, one hundred forty-eight million, two hundred fifty-nine thousand, two hundred eighty".