64011140 has 12 divisors (see below), whose sum is σ = 134423436. Its totient is φ = 25604448.

The previous prime is 64011119. The next prime is 64011151. The reversal of 64011140 is 4111046.

64011140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51036736 + 12974404 = 7144^2 + 3602^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600259 + ... + 1600298.

It is an arithmetic number, because the mean of its divisors is an integer number (11201953).

Almost surely, 2^64011140 is an apocalyptic number.

It is an amenable number.

64011140 is an abundant number, since it is smaller than the sum of its proper divisors (70412296).

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

64011140 is a wasteful number, since it uses less digits than its factorization.

64011140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200566 (or 3200564 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 64011140 is about 8000.6962197049. The cubic root of 64011140 is about 400.0232069869.

Adding to 64011140 its reverse (4111046), we get a palindrome (68122186).

The spelling of 64011140 in words is "sixty-four million, eleven thousand, one hundred forty".