2261240912 has 20 divisors (see below), whose sum is σ = 5007033696. Its totient is φ = 969103200.

The previous prime is 2261240909. The next prime is 2261240959. The reversal of 2261240912 is 2190421622.

It is a super-2 number, since 2×2261240912² = 10226420924205183488, which contains 22 as substring.

It is a congruent number.

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, 10094714 + ... + 10094937.

Almost surely, 2^2261240912 is an apocalyptic number.

It is an amenable number.

2261240912 is an abundant number, since it is smaller than the sum of its proper divisors (2745792784).

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

2261240912 is a wasteful number, since it uses less digits than its factorization.

2261240912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20189666 (or 20189660 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2261240912 is about 47552.5068950103. The cubic root of 2261240912 is about 1312.5492600348.

The spelling of 2261240912 in words is "two billion, two hundred sixty-one million, two hundred forty thousand, nine hundred twelve".