82450253081040 has 240 divisors, whose sum is σ = 292401036469248. Its totient is φ = 19101596884992.

The previous prime is 82450253081039. The next prime is 82450253081047. The reversal of 82450253081040 is 4018035205428.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×82450253081040³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82450253080983 and 82450253081001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82450253081047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44818672 + ... + 46622031.

Almost surely, 2^{82450253081040} is an apocalyptic number.

82450253081040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82450253081040 is an abundant number, since it is smaller than the sum of its proper divisors (209950783388208).

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

82450253081040 is a wasteful number, since it uses less digits than its factorization.

82450253081040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91440766 (or 91440743 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

Adding to 82450253081040 its reverse (4018035205428), we get a palindrome (86468288286468).

The spelling of 82450253081040 in words is "eighty-two trillion, four hundred fifty billion, two hundred fifty-three million, eighty-one thousand, forty".