2732155986 has 64 divisors (see below), whose sum is σ = 6692087808. Its totient is φ = 725829888.

The previous prime is 2732155981. The next prime is 2732155997. The reversal of 2732155986 is 6895512372.

It is not an unprimeable number, because it can be changed into a prime (2732155981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36211 + ... + 82313.

It is an arithmetic number, because the mean of its divisors is an integer number (104563872).

Almost surely, 2^2732155986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2732155986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3346043904).

2732155986 is an abundant number, since it is smaller than the sum of its proper divisors (3959931822).

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

2732155986 is a wasteful number, since it uses less digits than its factorization.

2732155986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46215.

The product of its digits is 907200, while the sum is 48.

The square root of 2732155986 is about 52270.0295197927. The cubic root of 2732155986 is about 1397.9828068233.

The spelling of 2732155986 in words is "two billion, seven hundred thirty-two million, one hundred fifty-five thousand, nine hundred eighty-six".