421421141040 has 80 divisors (see below), whose sum is σ = 1311826487136. Its totient is φ = 111912652800.

The previous prime is 421421140967. The next prime is 421421141093. The reversal of 421421141040 is 40141124124.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 421421141040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3585151 + ... + 3700830.

Almost surely, 2^421421141040 is an apocalyptic number.

421421141040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421421141040 is an abundant number, since it is smaller than the sum of its proper divisors (890405346096).

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

421421141040 is a wasteful number, since it uses less digits than its factorization.

421421141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286238 (or 7286232 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 421421141040 its reverse (40141124124), we get a palindrome (461562265164).

The spelling of 421421141040 in words is "four hundred twenty-one billion, four hundred twenty-one million, one hundred forty-one thousand, forty".