10403344020342 has 128 divisors (see below), whose sum is σ = 25866972407808. Its totient is φ = 2716027776000.

The previous prime is 10403344020331. The next prime is 10403344020347. The reversal of 10403344020342 is 24302044330401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403344020347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 325179967 + ... + 325211957.

It is an arithmetic number, because the mean of its divisors is an integer number (202085721936).

Almost surely, 2^{10403344020342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10403344020342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12933486203904).

10403344020342 is an abundant number, since it is smaller than the sum of its proper divisors (15463628387466).

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

10403344020342 is a wasteful number, since it uses less digits than its factorization.

10403344020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38014.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 10403344020342 its reverse (24302044330401), we get a palindrome (34705388350743).

The spelling of 10403344020342 in words is "ten trillion, four hundred three billion, three hundred forty-four million, twenty thousand, three hundred forty-two".