3158672328 has 256 divisors, whose sum is σ = 10804992000. Its totient is φ = 834769152.

The previous prime is 3158672327. The next prime is 3158672329. The reversal of 3158672328 is 8232768513.

3158672328 is a `hidden beast` number, since 31 + 586 + 7 + 2 + 32 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (3158672327) and next prime (3158672329).

It is not an unprimeable number, because it can be changed into a prime (3158672327) 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, 1234026 + ... + 1236582.

It is an arithmetic number, because the mean of its divisors is an integer number (42207000).

Almost surely, 2^3158672328 is an apocalyptic number.

3158672328 is a gapful number since it is divisible by the number (38) 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 3158672328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5402496000).

3158672328 is an abundant number, since it is smaller than the sum of its proper divisors (7646319672).

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

3158672328 is a wasteful number, since it uses less digits than its factorization.

3158672328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2631 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 3158672328 is about 56202.0669370798. The cubic root of 3158672328 is about 1467.2412398469.

The spelling of 3158672328 in words is "three billion, one hundred fifty-eight million, six hundred seventy-two thousand, three hundred twenty-eight".