2011895484 has 24 divisors (see below), whose sum is σ = 4941498240. Its totient is φ = 635335344.

The previous prime is 2011895441. The next prime is 2011895531. The reversal of 2011895484 is 4845981102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4411824 + ... + 4412279.

It is an arithmetic number, because the mean of its divisors is an integer number (205895760).

Almost surely, 2^2011895484 is an apocalyptic number.

It is an amenable number.

2011895484 is an abundant number, since it is smaller than the sum of its proper divisors (2929602756).

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

2011895484 is a wasteful number, since it uses less digits than its factorization.

2011895484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824129 (or 8824127 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 2011895484 is about 44854.1579343543. The cubic root of 2011895484 is about 1262.4140090306.

The spelling of 2011895484 in words is "two billion, eleven million, eight hundred ninety-five thousand, four hundred eighty-four".