105418454388 has 48 divisors (see below), whose sum is σ = 267241926336. Its totient is φ = 32149393920.

The previous prime is 105418454387. The next prime is 105418454419. The reversal of 105418454388 is 883454814501.

It is a happy number.

It is a super-2 number, since 2×105418454388² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105418454388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105418454381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2972458 + ... + 3007713.

It is an arithmetic number, because the mean of its divisors is an integer number (5567540132).

Almost surely, 2^105418454388 is an apocalyptic number.

It is an amenable number.

105418454388 is an abundant number, since it is smaller than the sum of its proper divisors (161823471948).

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

105418454388 is a wasteful number, since it uses less digits than its factorization.

105418454388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980304 (or 5980302 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 105418454388 in words is "one hundred five billion, four hundred eighteen million, four hundred fifty-four thousand, three hundred eighty-eight".