85402548801642 has 64 divisors (see below), whose sum is σ = 178287656432256. Its totient is φ = 27246834800640.

The previous prime is 85402548801637. The next prime is 85402548801653. The reversal of 85402548801642 is 24610884520458.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 155569213 + ... + 156117215.

It is an arithmetic number, because the mean of its divisors is an integer number (2785744631754).

Almost surely, 2^{85402548801642} is an apocalyptic number.

85402548801642 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

85402548801642 is an abundant number, since it is smaller than the sum of its proper divisors (92885107630614).

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

85402548801642 is a wasteful number, since it uses less digits than its factorization.

85402548801642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560055.

The product of its (nonzero) digits is 19660800, while the sum is 57.

The spelling of 85402548801642 in words is "eighty-five trillion, four hundred two billion, five hundred forty-eight million, eight hundred one thousand, six hundred forty-two".