3158881044 has 192 divisors, whose sum is σ = 8755568640. Its totient is φ = 875796480.

The previous prime is 3158881001. The next prime is 3158881049. The reversal of 3158881044 is 4401888513.

It is a junction number, because it is equal to n+sod(n) for n = 3158880987 and 3158881005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158881049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18259342 + ... + 18259514.

It is an arithmetic number, because the mean of its divisors is an integer number (45601920).

Almost surely, 2^3158881044 is an apocalyptic number.

3158881044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3158881044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4377784320).

3158881044 is an abundant number, since it is smaller than the sum of its proper divisors (5596687596).

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

3158881044 is a wasteful number, since it uses less digits than its factorization.

3158881044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 3158881044 is about 56203.9237420307. The cubic root of 3158881044 is about 1467.2735561648.

The spelling of 3158881044 in words is "three billion, one hundred fifty-eight million, eight hundred eighty-one thousand, forty-four".