17976442964490 has 128 divisors (see below), whose sum is σ = 48119449835520. Its totient is φ = 4775510836224.

The previous prime is 17976442964369. The next prime is 17976442964521. The reversal of 17976442964490 is 9446924467971.

17976442964490 is a `hidden beast` number, since 1 + 7 + 9 + 7 + 6 + 4 + 42 + 96 + 4 + 490 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134052514 + ... + 134186546.

It is an arithmetic number, because the mean of its divisors is an integer number (375933201840).

Almost surely, 2^{17976442964490} is an apocalyptic number.

17976442964490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 17976442964490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24059724917760).

17976442964490 is an abundant number, since it is smaller than the sum of its proper divisors (30143006871030).

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

17976442964490 is a wasteful number, since it uses less digits than its factorization.

17976442964490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135933 (or 135927 counting only the distinct ones).

The product of its (nonzero) digits is 658409472, while the sum is 72.

The spelling of 17976442964490 in words is "seventeen trillion, nine hundred seventy-six billion, four hundred forty-two million, nine hundred sixty-four thousand, four hundred ninety".