3040661240 has 32 divisors (see below), whose sum is σ = 6987055680. Its totient is φ = 1190385792.

The previous prime is 3040661213. The next prime is 3040661243. The reversal of 3040661240 is 421660403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040661243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 806807 + ... + 810566.

It is an arithmetic number, because the mean of its divisors is an integer number (218345490).

Almost surely, 2^3040661240 is an apocalyptic number.

It is an amenable number.

3040661240 is an abundant number, since it is smaller than the sum of its proper divisors (3946394440).

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

3040661240 is a wasteful number, since it uses less digits than its factorization.

3040661240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617431 (or 1617427 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3040661240 is about 55142.1911062664. The cubic root of 3040661240 is about 1448.7363131961.

The spelling of 3040661240 in words is "three billion, forty million, six hundred sixty-one thousand, two hundred forty".