140100440 has 16 divisors (see below), whose sum is σ = 315226080. Its totient is φ = 56040160.

The previous prime is 140100427. The next prime is 140100449. The reversal of 140100440 is 44001041.

140100440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140100449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751216 + ... + 1751295.

It is an arithmetic number, because the mean of its divisors is an integer number (19701630).

Almost surely, 2^140100440 is an apocalyptic number.

140100440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140100440 is an abundant number, since it is smaller than the sum of its proper divisors (175125640).

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

140100440 is a wasteful number, since it uses less digits than its factorization.

140100440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502522 (or 3502518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 140100440 is about 11836.4031698823. The cubic root of 140100440 is about 519.3735552889.

Adding to 140100440 its reverse (44001041), we get a palindrome (184101481).

The spelling of 140100440 in words is "one hundred forty million, one hundred thousand, four hundred forty".