550946812904640 has 168 divisors, whose sum is σ = 1895598471492960. Its totient is φ = 146874881470464.

The previous prime is 550946812904617. The next prime is 550946812904681. The reversal of 550946812904640 is 46409218649055.

550946812904640 is a `hidden beast` number, since 5 + 5 + 0 + 9 + 4 + 6 + 81 + 2 + 90 + 464 + 0 = 666.

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, 19260349 + ... + 38377788.

Almost surely, 2^{550946812904640} is an apocalyptic number.

It is an amenable number.

550946812904640 is an abundant number, since it is smaller than the sum of its proper divisors (1344651658588320).

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

550946812904640 is a wasteful number, since it uses less digits than its factorization.

550946812904640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57641479 (or 57641466 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 550946812904640 in words is "five hundred fifty trillion, nine hundred forty-six billion, eight hundred twelve million, nine hundred four thousand, six hundred forty".