105420302478 has 12 divisors (see below), whose sum is σ = 228410655408. Its totient is φ = 35140100820.

The previous prime is 105420302461. The next prime is 105420302479. The reversal of 105420302478 is 874203024501.

It is a happy number.

105420302478 is a `hidden beast` number, since 10 + 542 + 0 + 30 + 2 + 4 + 78 = 666.

It is a super-2 number, since 2×105420302478² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105420302479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2928341718 + ... + 2928341753.

It is an arithmetic number, because the mean of its divisors is an integer number (19034221284).

Almost surely, 2^105420302478 is an apocalyptic number.

105420302478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

105420302478 is an abundant number, since it is smaller than the sum of its proper divisors (122990352930).

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

105420302478 is a wasteful number, since it uses less digits than its factorization.

105420302478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856683479 (or 5856683476 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

Adding to 105420302478 its reverse (874203024501), we get a palindrome (979623326979).

The spelling of 105420302478 in words is "one hundred five billion, four hundred twenty million, three hundred two thousand, four hundred seventy-eight".