2152442736 has 120 divisors (see below), whose sum is σ = 6237330944. Its totient is φ = 692375040.

The previous prime is 2152442693. The next prime is 2152442749. The reversal of 2152442736 is 6372442512.

2152442736 is a `hidden beast` number, since 21 + 524 + 42 + 73 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2152442736.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675066 + ... + 678246.

Almost surely, 2^2152442736 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 2152442736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3118665472).

2152442736 is an abundant number, since it is smaller than the sum of its proper divisors (4084888208).

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

2152442736 is a wasteful number, since it uses less digits than its factorization.

2152442736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359 (or 3350 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 2152442736 is about 46394.4256996463. The cubic root of 2152442736 is about 1291.1514939191.

The spelling of 2152442736 in words is "two billion, one hundred fifty-two million, four hundred forty-two thousand, seven hundred thirty-six".