4081157192 has 128 divisors (see below), whose sum is σ = 9236643840. Its totient is φ = 1654007040.

The previous prime is 4081157149. The next prime is 4081157273. The reversal of 4081157192 is 2917511804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23590418 + ... + 23590590.

It is an arithmetic number, because the mean of its divisors is an integer number (72161280).

Almost surely, 2^4081157192 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 4081157192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4618321920).

4081157192 is an abundant number, since it is smaller than the sum of its proper divisors (5155486648).

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

4081157192 is a wasteful number, since it uses less digits than its factorization.

4081157192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 4081157192 is about 63883.9353202352. The cubic root of 4081157192 is about 1598.0650035196.

Adding to 4081157192 its reverse (2917511804), we get a palindrome (6998668996).

The spelling of 4081157192 in words is "four billion, eighty-one million, one hundred fifty-seven thousand, one hundred ninety-two".