2261085450 has 48 divisors (see below), whose sum is σ = 6038842656. Its totient is φ = 556574400.

The previous prime is 2261085439. The next prime is 2261085457. The reversal of 2261085450 is 545801622.

It is a super-2 number, since 2×2261085450² = 10225014824403405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261085457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 577816 + ... + 581715.

It is an arithmetic number, because the mean of its divisors is an integer number (125809222).

Almost surely, 2^2261085450 is an apocalyptic number.

2261085450 is an abundant number, since it is smaller than the sum of its proper divisors (3777757206).

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

2261085450 is a wasteful number, since it uses less digits than its factorization.

2261085450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159559 (or 1159554 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2261085450 is about 47550.8722317478. The cubic root of 2261085450 is about 1312.5191797651.

The spelling of 2261085450 in words is "two billion, two hundred sixty-one million, eighty-five thousand, four hundred fifty".