100403343004420 has 72 divisors (see below), whose sum is σ = 224074823144256. Its totient is φ = 37782795296256.

The previous prime is 100403343004409. The next prime is 100403343004469. The reversal of 100403343004420 is 24400343304001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9865017 + ... + 17266303.

It is an arithmetic number, because the mean of its divisors is an integer number (3112150321448).

Almost surely, 2^{100403343004420} is an apocalyptic number.

100403343004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100403343004420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112037411572128).

100403343004420 is an abundant number, since it is smaller than the sum of its proper divisors (123671480139836).

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

100403343004420 is a wasteful number, since it uses less digits than its factorization.

100403343004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403677 (or 7403658 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 100403343004420 its reverse (24400343304001), we get a palindrome (124803686308421).

The spelling of 100403343004420 in words is "one hundred trillion, four hundred three billion, three hundred forty-three million, four thousand, four hundred twenty".