140044421040 has 80 divisors (see below), whose sum is σ = 459675230688. Its totient is φ = 35148402688.

The previous prime is 140044421003. The next prime is 140044421053. The reversal of 140044421040 is 40124440041.

It is a happy number.

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

It is a super-2 number, since 2×140044421040² (a number of 23 digits) contains 22 as substring.

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 140044421040.

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, 17158227 + ... + 17166386.

Almost surely, 2^140044421040 is an apocalyptic number.

140044421040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140044421040 is an abundant number, since it is smaller than the sum of its proper divisors (319630809648).

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

140044421040 is a wasteful number, since it uses less digits than its factorization.

140044421040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34324646 (or 34324640 counting only the distinct ones).

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

Adding to 140044421040 its reverse (40124440041), we get a palindrome (180168861081).

The spelling of 140044421040 in words is "one hundred forty billion, forty-four million, four hundred twenty-one thousand, forty".