16426240332144 has 80 divisors (see below), whose sum is σ = 43358436406272. Its totient is φ = 5356303490304.

The previous prime is 16426240332119. The next prime is 16426240332149. The reversal of 16426240332144 is 44123304262461.

It is a junction number, because it is equal to n+sod(n) for n = 16426240332096 and 16426240332105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16426240332149) 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, 2858277 + ... + 6404859.

Almost surely, 2^{16426240332144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16426240332144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21679218203136).

16426240332144 is an abundant number, since it is smaller than the sum of its proper divisors (26932196074128).

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

16426240332144 is a wasteful number, since it uses less digits than its factorization.

16426240332144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548694 (or 3548688 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 16426240332144 in words is "sixteen trillion, four hundred twenty-six billion, two hundred forty million, three hundred thirty-two thousand, one hundred forty-four".