2089770450 has 96 divisors (see below), whose sum is σ = 5534645760. Its totient is φ = 520665600.

The previous prime is 2089770437. The next prime is 2089770457. The reversal of 2089770450 is 540779802.

It is not an unprimeable number, because it can be changed into a prime (2089770457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127102 + ... + 142598.

It is an arithmetic number, because the mean of its divisors is an integer number (57652560).

Almost surely, 2^2089770450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2089770450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767322880).

2089770450 is an abundant number, since it is smaller than the sum of its proper divisors (3444875310).

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

2089770450 is a wasteful number, since it uses less digits than its factorization.

2089770450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15572 (or 15567 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 2089770450 is about 45714.0071531691. The cubic root of 2089770450 is about 1278.4964543671.

The spelling of 2089770450 in words is "two billion, eighty-nine million, seven hundred seventy thousand, four hundred fifty".