2561035422 has 96 divisors (see below), whose sum is σ = 5953973760. Its totient is φ = 731808000.

The previous prime is 2561035381. The next prime is 2561035453. The reversal of 2561035422 is 2245301652.

It is a self number, because there is not a number n which added to its sum of digits gives 2561035422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5531163 + ... + 5531625.

It is an arithmetic number, because the mean of its divisors is an integer number (62020560).

Almost surely, 2^2561035422 is an apocalyptic number.

2561035422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2561035422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2976986880).

2561035422 is an abundant number, since it is smaller than the sum of its proper divisors (3392938338).

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

2561035422 is a wasteful number, since it uses less digits than its factorization.

2561035422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2561035422 is about 50606.6736903346. The cubic root of 2561035422 is about 1368.1651644312.

The spelling of 2561035422 in words is "two billion, five hundred sixty-one million, thirty-five thousand, four hundred twenty-two".