1819227415050 has 48 divisors (see below), whose sum is σ = 5012982214080. Its totient is φ = 485127310320.

The previous prime is 1819227415043. The next prime is 1819227415087. The reversal of 1819227415050 is 505147229181.

1819227415050 is a `hidden beast` number, since 1 + 8 + 1 + 9 + 227 + 415 + 0 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1819227414987 and 1819227415005.

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 23 ways as a sum of consecutive naturals, for example, 673786582 + ... + 673789281.

It is an arithmetic number, because the mean of its divisors is an integer number (104437129460).

Almost surely, 2^{1819227415050} is an apocalyptic number.

1819227415050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1819227415050 is an abundant number, since it is smaller than the sum of its proper divisors (3193754799030).

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

1819227415050 is a wasteful number, since it uses less digits than its factorization.

1819227415050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347575884 (or 1347575873 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 1819227415050 in words is "one trillion, eight hundred nineteen billion, two hundred twenty-seven million, four hundred fifteen thousand, fifty".