172440656317104 has 240 divisors, whose sum is σ = 548537566705920. Its totient is φ = 46463560174080.

The previous prime is 172440656317081. The next prime is 172440656317109. The reversal of 172440656317104 is 401713656044271.

It is a super-2 number, since 2×172440656317104² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172440656317109) 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, 26464252 + ... + 32330139.

It is an arithmetic number, because the mean of its divisors is an integer number (2285573194608).

Almost surely, 2^{172440656317104} is an apocalyptic number.

172440656317104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172440656317104 is an abundant number, since it is smaller than the sum of its proper divisors (376096910388816).

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

172440656317104 is a wasteful number, since it uses less digits than its factorization.

172440656317104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58794488 (or 58794475 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 172440656317104 in words is "one hundred seventy-two trillion, four hundred forty billion, six hundred fifty-six million, three hundred seventeen thousand, one hundred four".