140440330 has 32 divisors (see below), whose sum is σ = 262621440. Its totient is φ = 54008640.

The previous prime is 140440297. The next prime is 140440331. The reversal of 140440330 is 33044041.

140440330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140440298 and 140440307.

It is not an unprimeable number, because it can be changed into a prime (140440331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77697 + ... + 79483.

It is an arithmetic number, because the mean of its divisors is an integer number (8206920).

Almost surely, 2^140440330 is an apocalyptic number.

140440330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140440330 is a deficient number, since it is larger than the sum of its proper divisors (122181110).

140440330 is a wasteful number, since it uses less digits than its factorization.

140440330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140440330 is about 11850.7522967953. The cubic root of 140440330 is about 519.7932240002.

Adding to 140440330 its reverse (33044041), we get a palindrome (173484371).

The spelling of 140440330 in words is "one hundred forty million, four hundred forty thousand, three hundred thirty".