2064432240 has 120 divisors (see below), whose sum is σ = 7466397120. Its totient is φ = 508165632.

The previous prime is 2064432199. The next prime is 2064432241. The reversal of 2064432240 is 422344602.

2064432240 is a `hidden beast` number, since 206 + 4 + 432 + 24 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064432241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100920 + ... + 119639.

It is an arithmetic number, because the mean of its divisors is an integer number (62219976).

Almost surely, 2^2064432240 is an apocalyptic number.

2064432240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064432240 is an abundant number, since it is smaller than the sum of its proper divisors (5401964880).

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

2064432240 is a wasteful number, since it uses less digits than its factorization.

2064432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220591 (or 220582 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2064432240 is about 45436.0235936201. The cubic root of 2064432240 is about 1273.3082244865.

Adding to 2064432240 its reverse (422344602), we get a palindrome (2486776842).

The spelling of 2064432240 in words is "two billion, sixty-four million, four hundred thirty-two thousand, two hundred forty".