4128877516402 has 8 divisors (see below), whose sum is σ = 6193325337516. Its totient is φ = 2064435737232.

The previous prime is 4128877516397. The next prime is 4128877516427. The reversal of 4128877516402 is 2046157788214.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4110111530281 + 18765986121 = 2027341^2 + 136989^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100808 + ... + 3077260.

Almost surely, 2^{4128877516402} is an apocalyptic number.

4128877516402 is a deficient number, since it is larger than the sum of its proper divisors (2064447821114).

4128877516402 is a wasteful number, since it uses less digits than its factorization.

4128877516402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020972.

The product of its (nonzero) digits is 6021120, while the sum is 55.

The spelling of 4128877516402 in words is "four trillion, one hundred twenty-eight billion, eight hundred seventy-seven million, five hundred sixteen thousand, four hundred two".