3812658380 has 48 divisors (see below), whose sum is σ = 8274249984. Its totient is φ = 1474191360.

The previous prime is 3812658373. The next prime is 3812658413. The reversal of 3812658380 is 838562183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637484 + ... + 643436.

It is an arithmetic number, because the mean of its divisors is an integer number (172380208).

Almost surely, 2^3812658380 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 3812658380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137124992).

3812658380 is an abundant number, since it is smaller than the sum of its proper divisors (4461591604).

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

3812658380 is a wasteful number, since it uses less digits than its factorization.

3812658380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026 (or 7024 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 3812658380 is about 61746.7276865746. The cubic root of 3812658380 is about 1562.2215745390.

The spelling of 3812658380 in words is "three billion, eight hundred twelve million, six hundred fifty-eight thousand, three hundred eighty".