4156152444 has 72 divisors (see below), whose sum is σ = 11148417280. Its totient is φ = 1353152304.

The previous prime is 4156152431. The next prime is 4156152521. The reversal of 4156152444 is 4442516514.

4156152444 is a `hidden beast` number, since 4 + 1 + 561 + 52 + 4 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 4156152399 and 4156152408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7924 + ... + 91515.

Almost surely, 2^4156152444 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 4156152444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5574208640).

4156152444 is an abundant number, since it is smaller than the sum of its proper divisors (6992264836).

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

4156152444 is a wasteful number, since it uses less digits than its factorization.

4156152444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99501 (or 99487 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 4156152444 is about 64468.2281748149. The cubic root of 4156152444 is about 1607.7943182008.

Adding to 4156152444 its reverse (4442516514), we get a palindrome (8598668958).

The spelling of 4156152444 in words is "four billion, one hundred fifty-six million, one hundred fifty-two thousand, four hundred forty-four".