82421762154480 has 120 divisors (see below), whose sum is σ = 316342572859872. Its totient is φ = 18839259919872.

The previous prime is 82421762154461. The next prime is 82421762154521. The reversal of 82421762154480 is 8445126712428.

82421762154480 is a `hidden beast` number, since 8 + 2 + 4 + 2 + 1 + 7 + 6 + 2 + 154 + 480 = 666.

82421762154480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×82421762154480² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8176757079 + ... + 8176767158.

Almost surely, 2^{82421762154480} is an apocalyptic number.

82421762154480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82421762154480 is an abundant number, since it is smaller than the sum of its proper divisors (233920810705392).

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

82421762154480 is a wasteful number, since it uses less digits than its factorization.

82421762154480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16353524263 (or 16353524254 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 54.

The spelling of 82421762154480 in words is "eighty-two trillion, four hundred twenty-one billion, seven hundred sixty-two million, one hundred fifty-four thousand, four hundred eighty".