100204434043340 has 144 divisors (see below), whose sum is σ = 233926854934752. Its totient is φ = 36024933120000.

The previous prime is 100204434043327. The next prime is 100204434043381. The reversal of 100204434043340 is 43340434402001.

It is a junction number, because it is equal to n+sod(n) for n = 100204434043297 and 100204434043306.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 168597572 + ... + 169190868.

It is an arithmetic number, because the mean of its divisors is an integer number (1624492048158).

Almost surely, 2^{100204434043340} is an apocalyptic number.

100204434043340 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 100204434043340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116963427467376).

100204434043340 is an abundant number, since it is smaller than the sum of its proper divisors (133722420891412).

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

100204434043340 is a wasteful number, since it uses less digits than its factorization.

100204434043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594120 (or 594107 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 100204434043340 its reverse (43340434402001), we get a palindrome (143544868445341).

The spelling of 100204434043340 in words is "one hundred trillion, two hundred four billion, four hundred thirty-four million, forty-three thousand, three hundred forty".