140420441040 has 160 divisors (see below), whose sum is σ = 476008140672. Its totient is φ = 33960192000.

The previous prime is 140420441033. The next prime is 140420441081. The reversal of 140420441040 is 40144024041.

It is a happy number.

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 140420441040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1048270 + ... + 1174610.

Almost surely, 2^140420441040 is an apocalyptic number.

140420441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140420441040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238004070336).

140420441040 is an abundant number, since it is smaller than the sum of its proper divisors (335587699632).

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

140420441040 is a wasteful number, since it uses less digits than its factorization.

140420441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126789 (or 126783 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 140420441040 its reverse (40144024041), we get a palindrome (180564465081).

The spelling of 140420441040 in words is "one hundred forty billion, four hundred twenty million, four hundred forty-one thousand, forty".