172453715340 has 48 divisors (see below), whose sum is σ = 483222323808. Its totient is φ = 45954141184.

The previous prime is 172453715323. The next prime is 172453715353. The reversal of 172453715340 is 43517354271.

It is a junction number, because it is equal to n+sod(n) for n = 172453715292 and 172453715301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 964317 + ... + 1129076.

It is an arithmetic number, because the mean of its divisors is an integer number (10067131746).

Almost surely, 2^172453715340 is an apocalyptic number.

172453715340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172453715340 is an abundant number, since it is smaller than the sum of its proper divisors (310768608468).

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

172453715340 is a wasteful number, since it uses less digits than its factorization.

172453715340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094778 (or 2094776 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 172453715340 in words is "one hundred seventy-two billion, four hundred fifty-three million, seven hundred fifteen thousand, three hundred forty".