18826429152 has 48 divisors (see below), whose sum is σ = 49881267072. Its totient is φ = 6216823680.

The previous prime is 18826429151. The next prime is 18826429157. The reversal of 18826429152 is 25192462881.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18826429151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906124 + ... + 926667.

It is an arithmetic number, because the mean of its divisors is an integer number (1039193064).

Almost surely, 2^18826429152 is an apocalyptic number.

18826429152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18826429152 is an abundant number, since it is smaller than the sum of its proper divisors (31054837920).

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

18826429152 is a wasteful number, since it uses less digits than its factorization.

18826429152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832911 (or 1832903 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The spelling of 18826429152 in words is "eighteen billion, eight hundred twenty-six million, four hundred twenty-nine thousand, one hundred fifty-two".