82043245390 has 16 divisors (see below), whose sum is σ = 148340078208. Its totient is φ = 32670134496.

The previous prime is 82043245337. The next prime is 82043245399. The reversal of 82043245390 is 9354234028.

It is a super-2 number, since 2×82043245390² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82043245399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18393117 + ... + 18397576.

It is an arithmetic number, because the mean of its divisors is an integer number (9271254888).

Almost surely, 2^82043245390 is an apocalyptic number.

82043245390 is a deficient number, since it is larger than the sum of its proper divisors (66296832818).

82043245390 is a wasteful number, since it uses less digits than its factorization.

82043245390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36790923.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 82043245390 in words is "eighty-two billion, forty-three million, two hundred forty-five thousand, three hundred ninety".