806218880412 has 96 divisors (see below), whose sum is σ = 2110626056448. Its totient is φ = 237400000000.

The previous prime is 806218880393. The next prime is 806218880431. The reversal of 806218880412 is 214088812608.

It is an interprime number because it is at equal distance from previous prime (806218880393) and next prime (806218880431).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1061662 + ... + 1655162.

It is an arithmetic number, because the mean of its divisors is an integer number (21985688088).

Almost surely, 2^806218880412 is an apocalyptic number.

806218880412 is a gapful number since it is divisible by the number (82) 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 806218880412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1055313028224).

806218880412 is an abundant number, since it is smaller than the sum of its proper divisors (1304407176036).

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

806218880412 is a wasteful number, since it uses less digits than its factorization.

806218880412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593811 (or 593809 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 48.

The spelling of 806218880412 in words is "eight hundred six billion, two hundred eighteen million, eight hundred eighty thousand, four hundred twelve".