3812580128 has 48 divisors (see below), whose sum is σ = 9029805120. Its totient is φ = 1547963136.

The previous prime is 3812580113. The next prime is 3812580143. The reversal of 3812580128 is 8210852183.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3812580113) and next prime (3812580143).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 3812580091 and 3812580100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443651 + ... + 452162.

It is an arithmetic number, because the mean of its divisors is an integer number (188120940).

Almost surely, 2^3812580128 is an apocalyptic number.

3812580128 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3812580128 is an abundant number, since it is smaller than the sum of its proper divisors (5217224992).

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

3812580128 is a wasteful number, since it uses less digits than its factorization.

3812580128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895849 (or 895841 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 3812580128 is about 61746.0940303109. The cubic root of 3812580128 is about 1562.2108866509.

The spelling of 3812580128 in words is "three billion, eight hundred twelve million, five hundred eighty thousand, one hundred twenty-eight".