3140564640 has 48 divisors (see below), whose sum is σ = 9892780128. Its totient is φ = 837483776.

The previous prime is 3140564629. The next prime is 3140564653. The reversal of 3140564640 is 464650413.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270942 + ... + 3271901.

It is an arithmetic number, because the mean of its divisors is an integer number (206099586).

Almost surely, 2^3140564640 is an apocalyptic number.

3140564640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3140564640 is an abundant number, since it is smaller than the sum of its proper divisors (6752215488).

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

3140564640 is a wasteful number, since it uses less digits than its factorization.

3140564640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542861 (or 6542853 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 3140564640 is about 56040.7408944600. The cubic root of 3140564640 is about 1464.4321188512.

The spelling of 3140564640 in words is "three billion, one hundred forty million, five hundred sixty-four thousand, six hundred forty".