550220663402 has 8 divisors (see below), whose sum is σ = 826163824512. Its totient is φ = 274832721900.

The previous prime is 550220663393. The next prime is 550220663413. The reversal of 550220663402 is 204366022055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138802424 + ... + 138806387.

It is an arithmetic number, because the mean of its divisors is an integer number (103270478064).

Almost surely, 2^550220663402 is an apocalyptic number.

550220663402 is a deficient number, since it is larger than the sum of its proper divisors (275943161110).

550220663402 is a wasteful number, since it uses less digits than its factorization.

550220663402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277609804.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 550220663402 its reverse (204366022055), we get a palindrome (754586685457).

The spelling of 550220663402 in words is "five hundred fifty billion, two hundred twenty million, six hundred sixty-three thousand, four hundred two".