11774448450 has 36 divisors (see below), whose sum is σ = 31634019378. Its totient is φ = 3139852800.

The previous prime is 11774448373. The next prime is 11774448461. The reversal of 11774448450 is 5484447711.

11774448450 is a `hidden beast` number, since 11 + 77 + 44 + 484 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 5197400649 + 6577047801 = 72093^2 + 81099^2 .

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 = 11774448396 and 11774448405.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13082271 + ... + 13083170.

Almost surely, 2^11774448450 is an apocalyptic number.

11774448450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11774448450 is an abundant number, since it is smaller than the sum of its proper divisors (19859570928).

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

11774448450 is a wasteful number, since it uses less digits than its factorization.

11774448450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26165459 (or 26165451 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 11774448450 in words is "eleven billion, seven hundred seventy-four million, four hundred forty-eight thousand, four hundred fifty".