80358502842 has 20 divisors (see below), whose sum is σ = 180062571546. Its totient is φ = 26786167560.

The previous prime is 80358502837. The next prime is 80358502843. The reversal of 80358502842 is 24820585308.

80358502842 is a `hidden beast` number, since 8 + 0 + 3 + 585 + 0 + 28 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44053392321 + 36305110521 = 209889^2 + 190539^2 .

It is not an unprimeable number, because it can be changed into a prime (80358502843) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 248019909 + ... + 248020232.

Almost surely, 2^80358502842 is an apocalyptic number.

80358502842 is an abundant number, since it is smaller than the sum of its proper divisors (99704068704).

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

80358502842 is a wasteful number, since it uses less digits than its factorization.

80358502842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496040155 (or 496040146 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The spelling of 80358502842 in words is "eighty billion, three hundred fifty-eight million, five hundred two thousand, eight hundred forty-two".