80836410042 has 12 divisors (see below), whose sum is σ = 175145555130. Its totient is φ = 26945470008.

The previous prime is 80836410041. The next prime is 80836410047. The reversal of 80836410042 is 24001463808.

80836410042 is a `hidden beast` number, since 8 + 0 + 8 + 3 + 641 + 0 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 63016562961 + 17819847081 = 251031^2 + 133491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80836409979 and 80836410006.

It is not an unprimeable number, because it can be changed into a prime (80836410041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2245455817 + ... + 2245455852.

Almost surely, 2^80836410042 is an apocalyptic number.

80836410042 is an abundant number, since it is smaller than the sum of its proper divisors (94309145088).

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

80836410042 is a wasteful number, since it uses less digits than its factorization.

80836410042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490911677 (or 4490911674 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 80836410042 in words is "eighty billion, eight hundred thirty-six million, four hundred ten thousand, forty-two".