3040140 has 48 divisors (see below), whose sum is σ = 8886528. Its totient is φ = 775104.

The previous prime is 3040111. The next prime is 3040153. The reversal of 3040140 is 410403.

3040140 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam number.

It is an unprimeable number.

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, 279 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (185136).

Almost surely, 2^3040140 is an apocalyptic number.

3040140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3040140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4443264).

3040140 is an abundant number, since it is smaller than the sum of its proper divisors (5846388).

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

3040140 is a wasteful number, since it uses less digits than its factorization.

3040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3040140 is about 1743.5997247075. The cubic root of 3040140 is about 144.8653526108.

Adding to 3040140 its reverse (410403), we get a palindrome (3450543).

The spelling of 3040140 in words is "three million, forty thousand, one hundred forty".