140440672 has 48 divisors (see below), whose sum is σ = 298341792. Its totient is φ = 64829440.

The previous prime is 140440669. The next prime is 140440673. The reversal of 140440672 is 276044041.

It is a super-3 number, since 3×140440672³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140440672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26397 + ... + 31267.

It is an arithmetic number, because the mean of its divisors is an integer number (6215454).

Almost surely, 2^140440672 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 140440672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149170896).

140440672 is an abundant number, since it is smaller than the sum of its proper divisors (157901120).

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

140440672 is a wasteful number, since it uses less digits than its factorization.

140440672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 140440672 is about 11850.7667262502. The cubic root of 140440672 is about 519.7936459330.

The spelling of 140440672 in words is "one hundred forty million, four hundred forty thousand, six hundred seventy-two".