140421021441020 has 12 divisors (see below), whose sum is σ = 294884145026184. Its totient is φ = 56168408576400.

The previous prime is 140421021440983. The next prime is 140421021441047. The reversal of 140421021441020 is 20144120124041.

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, 3510525536006 + ... + 3510525536045.

It is an arithmetic number, because the mean of its divisors is an integer number (24573678752182).

Almost surely, 2^{140421021441020} is an apocalyptic number.

140421021441020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140421021441020 is an abundant number, since it is smaller than the sum of its proper divisors (154463123585164).

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

140421021441020 is a wasteful number, since it uses less digits than its factorization.

140421021441020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021051072060 (or 7021051072058 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 140421021441020 its reverse (20144120124041), we get a palindrome (160565141565061).

The spelling of 140421021441020 in words is "one hundred forty trillion, four hundred twenty-one billion, twenty-one million, four hundred forty-one thousand, twenty".