1049403555216 has 135 divisors (see below), whose sum is σ = 3100270086849. Its totient is φ = 331316839296.

The previous prime is 1049403555203. The next prime is 1049403555247. The reversal of 1049403555216 is 6125553049401.

It is a happy number.

The square root of 1049403555216 is 1024404.

It is a perfect power (a square), and thus also a powerful number.

1049403555216 is a `hidden beast` number, since 1 + 0 + 4 + 94 + 0 + 3 + 5 + 552 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1045669856400 + 3733698816 = 1022580^2 + 61104^2 .

It is a super-2 number, since 2×1049403555216² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 233561866 + ... + 233566358.

Almost surely, 2^{1049403555216} is an apocalyptic number.

1049403555216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1049403555216 is the 1024404-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049403555216

1049403555216 is an abundant number, since it is smaller than the sum of its proper divisors (2050866531633).

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

1049403555216 is an frugal number, since it uses more digits than its factorization.

1049403555216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038 (or 4517 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 1049403555216 in words is "one trillion, forty-nine billion, four hundred three million, five hundred fifty-five thousand, two hundred sixteen".