80309046402 has 96 divisors (see below), whose sum is σ = 196525310400. Its totient is φ = 24291491328.

The previous prime is 80309046371. The next prime is 80309046407. The reversal of 80309046402 is 20464090308.

It is a happy number.

80309046402 is a `hidden beast` number, since 8 + 0 + 3 + 0 + 9 + 0 + 4 + 640 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (80309046407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 463858 + ... + 613010.

It is an arithmetic number, because the mean of its divisors is an integer number (2047138650).

Almost surely, 2^80309046402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80309046402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98262655200).

80309046402 is an abundant number, since it is smaller than the sum of its proper divisors (116216263998).

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

80309046402 is a wasteful number, since it uses less digits than its factorization.

80309046402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149249 (or 149230 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 80309046402 in words is "eighty billion, three hundred nine million, forty-six thousand, four hundred two".