100340500300040 has 256 divisors, whose sum is σ = 319080577536000. Its totient is φ = 27349763374080.

The previous prime is 100340500300039. The next prime is 100340500300063. The reversal of 100340500300040 is 40003005043001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 100340500299985 and 100340500300021.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65186780 + ... + 66708299.

It is an arithmetic number, because the mean of its divisors is an integer number (1246408506000).

Almost surely, 2^{100340500300040} is an apocalyptic number.

100340500300040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100340500300040 is an abundant number, since it is smaller than the sum of its proper divisors (218740077235960).

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

100340500300040 is a wasteful number, since it uses less digits than its factorization.

100340500300040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131895140 (or 131895136 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 100340500300040 its reverse (40003005043001), we get a palindrome (140343505343041).

The spelling of 100340500300040 in words is "one hundred trillion, three hundred forty billion, five hundred million, three hundred thousand, forty".