110240402420 has 12 divisors (see below), whose sum is σ = 231504845124. Its totient is φ = 44096160960.

The previous prime is 110240402411. The next prime is 110240402491. The reversal of 110240402420 is 24204042011.

It can be written as a sum of positive squares in 2 ways, for example, as 79508208784 + 30732193636 = 281972^2 + 175306^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 5512020121 = 110240402420 / (1 + 1 + 0 + 2 + 4 + 0 + 4 + 0 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 110240402392 and 110240402401.

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, 2756010041 + ... + 2756010080.

It is an arithmetic number, because the mean of its divisors is an integer number (19292070427).

Almost surely, 2^110240402420 is an apocalyptic number.

110240402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110240402420 is an abundant number, since it is smaller than the sum of its proper divisors (121264442704).

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

110240402420 is a wasteful number, since it uses less digits than its factorization.

110240402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512020130 (or 5512020128 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 110240402420 its reverse (24204042011), we get a palindrome (134444444431).

The spelling of 110240402420 in words is "one hundred ten billion, two hundred forty million, four hundred two thousand, four hundred twenty".