2261405104 has 20 divisors (see below), whose sum is σ = 5007397264. Its totient is φ = 969173568.

The previous prime is 2261405087. The next prime is 2261405119. The reversal of 2261405104 is 4015041622.

It is a happy number.

It is a super-2 number, since 2×2261405104² = 10227906088794501632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10095447 + ... + 10095670.

Almost surely, 2^2261405104 is an apocalyptic number.

It is an amenable number.

2261405104 is an abundant number, since it is smaller than the sum of its proper divisors (2745992160).

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

2261405104 is a wasteful number, since it uses less digits than its factorization.

2261405104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20191132 (or 20191126 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2261405104 is about 47554.2332921056. The cubic root of 2261405104 is about 1312.5810279711.

Adding to 2261405104 its reverse (4015041622), we get a palindrome (6276446726).

The spelling of 2261405104 in words is "two billion, two hundred sixty-one million, four hundred five thousand, one hundred four".