140420242441020 has 24 divisors (see below), whose sum is σ = 393176678835024. Its totient is φ = 37445397984256.

The previous prime is 140420242440997. The next prime is 140420242441027. The reversal of 140420242441020 is 20144242024041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140420242441027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170168686949 + ... + 1170168687068.

It is an arithmetic number, because the mean of its divisors is an integer number (16382361618126).

Almost surely, 2^{140420242441020} is an apocalyptic number.

140420242441020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140420242441020 is an abundant number, since it is smaller than the sum of its proper divisors (252756436394004).

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

140420242441020 is a wasteful number, since it uses less digits than its factorization.

140420242441020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340337374029 (or 2340337374027 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 140420242441020 its reverse (20144242024041), we get a palindrome (160564484465061).

The spelling of 140420242441020 in words is "one hundred forty trillion, four hundred twenty billion, two hundred forty-two million, four hundred forty-one thousand, twenty".