100401355040 has 96 divisors (see below), whose sum is σ = 274349980800. Its totient is φ = 34008551424.

The previous prime is 100401355027. The next prime is 100401355051. The reversal of 100401355040 is 40553104001.

It is a junction number, because it is equal to n+sod(n) for n = 100401354997 and 100401355015.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447065 + ... + 632984.

It is an arithmetic number, because the mean of its divisors is an integer number (2857812300).

Almost surely, 2^100401355040 is an apocalyptic number.

100401355040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100401355040 is an abundant number, since it is smaller than the sum of its proper divisors (173948625760).

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

100401355040 is a wasteful number, since it uses less digits than its factorization.

100401355040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080154 (or 1080146 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 100401355040 its reverse (40553104001), we get a palindrome (140954459041).

The spelling of 100401355040 in words is "one hundred billion, four hundred one million, three hundred fifty-five thousand, forty".