3040003440 has 80 divisors (see below), whose sum is σ = 10471130400. Its totient is φ = 810667008.

The previous prime is 3040003433. The next prime is 3040003487. The reversal of 3040003440 is 443000403.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701545 + ... + 705864.

It is an arithmetic number, because the mean of its divisors is an integer number (130889130).

Almost surely, 2^3040003440 is an apocalyptic number.

3040003440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3040003440 is an abundant number, since it is smaller than the sum of its proper divisors (7431126960).

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

3040003440 is a wasteful number, since it uses less digits than its factorization.

3040003440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407431 (or 1407419 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3040003440 is about 55136.2262038308. The cubic root of 3040003440 is about 1448.6318351017.

Adding to 3040003440 its reverse (443000403), we get a palindrome (3483003843).

The spelling of 3040003440 in words is "three billion, forty million, three thousand, four hundred forty".