1340544588 has 48 divisors (see below), whose sum is σ = 3344140800. Its totient is φ = 416473344.

The previous prime is 1340544587. The next prime is 1340544599. The reversal of 1340544588 is 8854450431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1340544587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10888 + ... + 52911.

It is an arithmetic number, because the mean of its divisors is an integer number (69669600).

Almost surely, 2^1340544588 is an apocalyptic number.

It is an amenable number.

1340544588 is an abundant number, since it is smaller than the sum of its proper divisors (2003596212).

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

1340544588 is a wasteful number, since it uses less digits than its factorization.

1340544588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63926 (or 63924 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 1340544588 is about 36613.4481850590. The cubic root of 1340544588 is about 1102.6231029595.

The spelling of 1340544588 in words is "one billion, three hundred forty million, five hundred forty-four thousand, five hundred eighty-eight".