2159240328 has 80 divisors (see below), whose sum is σ = 6911868480. Its totient is φ = 616924512.

The previous prime is 2159240309. The next prime is 2159240333. The reversal of 2159240328 is 8230429512.

It is a happy number.

2159240328 is a `hidden beast` number, since 2 + 1 + 592 + 40 + 3 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2159240292 and 2159240301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 233476 + ... + 242547.

It is an arithmetic number, because the mean of its divisors is an integer number (86398356).

Almost surely, 2^2159240328 is an apocalyptic number.

2159240328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2159240328 is an abundant number, since it is smaller than the sum of its proper divisors (4752628152).

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

2159240328 is a wasteful number, since it uses less digits than its factorization.

2159240328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476048 (or 476035 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2159240328 is about 46467.6266663147. The cubic root of 2159240328 is about 1292.5092533137.

The spelling of 2159240328 in words is "two billion, one hundred fifty-nine million, two hundred forty thousand, three hundred twenty-eight".