82026651642 has 32 divisors (see below), whose sum is σ = 176684639040. Its totient is φ = 25237276800.

The previous prime is 82026651631. The next prime is 82026651643. The reversal of 82026651642 is 24615662028.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 82026651594 and 82026651603.

It is not an unprimeable number, because it can be changed into a prime (82026651643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644709 + ... + 1693847.

It is an arithmetic number, because the mean of its divisors is an integer number (5521394970).

Almost surely, 2^82026651642 is an apocalyptic number.

82026651642 is an abundant number, since it is smaller than the sum of its proper divisors (94657987398).

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

82026651642 is a wasteful number, since it uses less digits than its factorization.

82026651642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70558.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 82026651642 in words is "eighty-two billion, twenty-six million, six hundred fifty-one thousand, six hundred forty-two".