4521173000040 has 96 divisors (see below), whose sum is σ = 14722015955400. Its totient is φ = 1203331983360.

The previous prime is 4521173000023. The next prime is 4521173000051. The reversal of 4521173000040 is 400003711254.

4521173000040 is a `hidden beast` number, since 452 + 1 + 173 + 0 + 0 + 0 + 0 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2113133210244 + 2408039789796 = 1453662^2 + 1551786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4521172999968 and 4521173000013.

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, 11865045 + ... + 12240164.

Almost surely, 2^{4521173000040} is an apocalyptic number.

4521173000040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4521173000040 is an abundant number, since it is smaller than the sum of its proper divisors (10200842955360).

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

4521173000040 is a wasteful number, since it uses less digits than its factorization.

4521173000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24105747 (or 24105740 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 4521173000040 its reverse (400003711254), we get a palindrome (4921176711294).

The spelling of 4521173000040 in words is "four trillion, five hundred twenty-one billion, one hundred seventy-three million, forty", and thus it is an aban number.