2149448250 has 32 divisors (see below), whose sum is σ = 5365024704. Its totient is φ = 573186000.

The previous prime is 2149448243. The next prime is 2149448251. The reversal of 2149448250 is 528449412.

It is a junction number, because it is equal to n+sod(n) for n = 2149448199 and 2149448208.

It is not an unprimeable number, because it can be changed into a prime (2149448251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432216 + ... + 1433715.

It is an arithmetic number, because the mean of its divisors is an integer number (167657022).

Almost surely, 2^2149448250 is an apocalyptic number.

2149448250 is an abundant number, since it is smaller than the sum of its proper divisors (3215576454).

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

2149448250 is a wasteful number, since it uses less digits than its factorization.

2149448250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865951 (or 2865941 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2149448250 is about 46362.1424224550. The cubic root of 2149448250 is about 1290.5524645236.

The spelling of 2149448250 in words is "two billion, one hundred forty-nine million, four hundred forty-eight thousand, two hundred fifty".