18026841434 has 32 divisors (see below), whose sum is σ = 32209821696. Its totient is φ = 7403963760.

The previous prime is 18026841433. The next prime is 18026841439. The reversal of 18026841434 is 43414862081.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18026841391 and 18026841400.

It is not an unprimeable number, because it can be changed into a prime (18026841431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156932 + ... + 246335.

It is an arithmetic number, because the mean of its divisors is an integer number (1006556928).

Almost surely, 2^18026841434 is an apocalyptic number.

18026841434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18026841434 is a deficient number, since it is larger than the sum of its proper divisors (14182980262).

18026841434 is a wasteful number, since it uses less digits than its factorization.

18026841434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403410.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 18026841434 in words is "eighteen billion, twenty-six million, eight hundred forty-one thousand, four hundred thirty-four".