2550581478916 has 9 divisors (see below), whose sum is σ = 4463523177799. Its totient is φ = 1275289142404.

The previous prime is 2550581478901. The next prime is 2550581478917. The reversal of 2550581478916 is 6198741850552.

It is a happy number.

The square root of 2550581478916 is 1597054.

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

It is a super-3 number, since 3×2550581478916³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550581478917) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2794845 + ... + 3593371.

Almost surely, 2^{2550581478916} is an apocalyptic number.

2550581478916 is the 1597054-th square number.

It is an amenable number.

2550581478916 is a deficient number, since it is larger than the sum of its proper divisors (1912941698883).

2550581478916 is an frugal number, since it uses more digits than its factorization.

2550581478916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597058 (or 798529 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 61.

The spelling of 2550581478916 in words is "two trillion, five hundred fifty billion, five hundred eighty-one million, four hundred seventy-eight thousand, nine hundred sixteen".