105742447420 has 12 divisors (see below), whose sum is σ = 222059139624. Its totient is φ = 42296978960.

The previous prime is 105742447379. The next prime is 105742447441. The reversal of 105742447420 is 24744247501.

It is a super-2 number, since 2×105742447420² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2643561166 + ... + 2643561205.

It is an arithmetic number, because the mean of its divisors is an integer number (18504928302).

Almost surely, 2^105742447420 is an apocalyptic number.

105742447420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105742447420 is an abundant number, since it is smaller than the sum of its proper divisors (116316692204).

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

105742447420 is a wasteful number, since it uses less digits than its factorization.

105742447420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287122380 (or 5287122378 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 40.

The spelling of 105742447420 in words is "one hundred five billion, seven hundred forty-two million, four hundred forty-seven thousand, four hundred twenty".