2686155952 has 40 divisors (see below), whose sum is σ = 5424573440. Its totient is φ = 1287109440.

The previous prime is 2686155937. The next prime is 2686155973. The reversal of 2686155952 is 2595516862.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2686155896 and 2686155905.

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, 24799 + ... + 77377.

It is an arithmetic number, because the mean of its divisors is an integer number (135614336).

Almost surely, 2^2686155952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686155952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2712286720).

2686155952 is an abundant number, since it is smaller than the sum of its proper divisors (2738417488).

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

2686155952 is a wasteful number, since it uses less digits than its factorization.

2686155952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52721 (or 52715 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 49.

The square root of 2686155952 is about 51828.1386121477. The cubic root of 2686155952 is about 1390.0926308539.

The spelling of 2686155952 in words is "two billion, six hundred eighty-six million, one hundred fifty-five thousand, nine hundred fifty-two".