140044442432 has 56 divisors (see below), whose sum is σ = 293839392000. Its totient is φ = 66039238656.

The previous prime is 140044442401. The next prime is 140044442471. The reversal of 140044442432 is 234244440041.

It is a super-2 number, since 2×140044442432² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12944 + ... + 529392.

It is an arithmetic number, because the mean of its divisors is an integer number (5247132000).

Almost surely, 2^140044442432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140044442432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146919696000).

140044442432 is an abundant number, since it is smaller than the sum of its proper divisors (153794949568).

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

140044442432 is a wasteful number, since it uses less digits than its factorization.

140044442432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516703 (or 516693 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 140044442432 its reverse (234244440041), we get a palindrome (374288882473).

The spelling of 140044442432 in words is "one hundred forty billion, forty-four million, four hundred forty-two thousand, four hundred thirty-two".