1834427550 has 48 divisors (see below), whose sum is σ = 4557587760. Its totient is φ = 488298240.

The previous prime is 1834427513. The next prime is 1834427557. The reversal of 1834427550 is 557244381.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1834427499 and 1834427508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834427557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74604 + ... + 96096.

It is an arithmetic number, because the mean of its divisors is an integer number (94949745).

Almost surely, 2^1834427550 is an apocalyptic number.

1834427550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1834427550 is an abundant number, since it is smaller than the sum of its proper divisors (2723160210).

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

1834427550 is a wasteful number, since it uses less digits than its factorization.

1834427550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22077 (or 22072 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 1834427550 is about 42830.2177206701. The cubic root of 1834427550 is about 1224.1468556441.

The spelling of 1834427550 in words is "one billion, eight hundred thirty-four million, four hundred twenty-seven thousand, five hundred fifty".