181452272480 has 24 divisors (see below), whose sum is σ = 428680994112. Its totient is φ = 72580908928.

The previous prime is 181452272473. The next prime is 181452272489. The reversal of 181452272480 is 84272254181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181452272489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567038192 + ... + 567038511.

It is an arithmetic number, because the mean of its divisors is an integer number (17861708088).

Almost surely, 2^181452272480 is an apocalyptic number.

181452272480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

181452272480 is an abundant number, since it is smaller than the sum of its proper divisors (247228721632).

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

181452272480 is a wasteful number, since it uses less digits than its factorization.

181452272480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134076718 (or 1134076710 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The spelling of 181452272480 in words is "one hundred eighty-one billion, four hundred fifty-two million, two hundred seventy-two thousand, four hundred eighty".