17420497895472 has 80 divisors (see below), whose sum is σ = 54138890722560. Its totient is φ = 4715322736896.

The previous prime is 17420497895459. The next prime is 17420497895513. The reversal of 17420497895472 is 27459879402471.

It is a super-2 number, since 2×17420497895472² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17420497895397 and 17420497895406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364380983 + ... + 1364393750.

It is an arithmetic number, because the mean of its divisors is an integer number (676736134032).

Almost surely, 2^{17420497895472} is an apocalyptic number.

17420497895472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17420497895472 is an abundant number, since it is smaller than the sum of its proper divisors (36718392827088).

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

17420497895472 is a wasteful number, since it uses less digits than its factorization.

17420497895472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728774770 (or 2728774764 counting only the distinct ones).

The product of its (nonzero) digits is 284497920, while the sum is 69.

The spelling of 17420497895472 in words is "seventeen trillion, four hundred twenty billion, four hundred ninety-seven million, eight hundred ninety-five thousand, four hundred seventy-two".