2771384532 has 36 divisors (see below), whose sum is σ = 7522331040. Its totient is φ = 791823984.

The previous prime is 2771384527. The next prime is 2771384533. The reversal of 2771384532 is 2354831772.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771384533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2356032 + ... + 2357207.

It is an arithmetic number, because the mean of its divisors is an integer number (208953640).

Almost surely, 2^2771384532 is an apocalyptic number.

It is an amenable number.

2771384532 is an abundant number, since it is smaller than the sum of its proper divisors (4750946508).

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

2771384532 is a wasteful number, since it uses less digits than its factorization.

2771384532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713260 (or 4713251 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 2771384532 is about 52643.9410758731. The cubic root of 2771384532 is about 1404.6418259325.

The spelling of 2771384532 in words is "two billion, seven hundred seventy-one million, three hundred eighty-four thousand, five hundred thirty-two".