3158280378 has 48 divisors (see below), whose sum is σ = 7483039200. Its totient is φ = 954745440.

The previous prime is 3158280361. The next prime is 3158280379. The reversal of 3158280378 is 8730828513.

3158280378 is a `hidden beast` number, since 31 + 582 + 8 + 0 + 37 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (3158280379) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63928 + ... + 101996.

It is an arithmetic number, because the mean of its divisors is an integer number (155896650).

Almost surely, 2^3158280378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3158280378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3741519600).

3158280378 is an abundant number, since it is smaller than the sum of its proper divisors (4324758822).

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

3158280378 is a wasteful number, since it uses less digits than its factorization.

3158280378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38507 (or 38504 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 3158280378 is about 56198.5798575017. The cubic root of 3158280378 is about 1467.1805488421.

The spelling of 3158280378 in words is "three billion, one hundred fifty-eight million, two hundred eighty thousand, three hundred seventy-eight".