140040744 has 64 divisors (see below), whose sum is σ = 368893440. Its totient is φ = 44214720.

The previous prime is 140040737. The next prime is 140040749. The reversal of 140040744 is 447040041.

It is a super-3 number, since 3×140040744³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (140040749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57879 + ... + 60249.

It is an arithmetic number, because the mean of its divisors is an integer number (5763960).

Almost surely, 2^140040744 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 140040744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184446720).

140040744 is an abundant number, since it is smaller than the sum of its proper divisors (228852696).

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

140040744 is a wasteful number, since it uses less digits than its factorization.

140040744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 140040744 is about 11833.8811891957. The cubic root of 140040744 is about 519.2997774373.

Adding to 140040744 its reverse (447040041), we get a palindrome (587080785).

The spelling of 140040744 in words is "one hundred forty million, forty thousand, seven hundred forty-four".