421103041043140 has 24 divisors (see below), whose sum is σ = 884316779868312. Its totient is φ = 168441141431040.

The previous prime is 421103041043107. The next prime is 421103041043159. The reversal of 421103041043140 is 41340140301124.

It can be written as a sum of positive squares in 4 ways, for example, as 30338152128064 + 390764888915076 = 5508008^2 + 19767774^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421103041043099 and 421103041043108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71839800 + ... + 77480080.

It is an arithmetic number, because the mean of its divisors is an integer number (36846532494513).

Almost surely, 2^{421103041043140} is an apocalyptic number.

It is an amenable number.

421103041043140 is an abundant number, since it is smaller than the sum of its proper divisors (463213738825172).

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

421103041043140 is a wasteful number, since it uses less digits than its factorization.

421103041043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9373287 (or 9373285 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 421103041043140 its reverse (41340140301124), we get a palindrome (462443181344264).

The spelling of 421103041043140 in words is "four hundred twenty-one trillion, one hundred three billion, forty-one million, forty-three thousand, one hundred forty".