2440064645 has 8 divisors (see below), whose sum is σ = 3082187040. Its totient is φ = 1849312080.

The previous prime is 2440064633. The next prime is 2440064647. The reversal of 2440064645 is 5464600442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2440064645 - 2⁴ = 2440064629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440064647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12842351 + ... + 12842540.

It is an arithmetic number, because the mean of its divisors is an integer number (385273380).

Almost surely, 2^2440064645 is an apocalyptic number.

It is an amenable number.

2440064645 is a deficient number, since it is larger than the sum of its proper divisors (642122395).

2440064645 is a wasteful number, since it uses less digits than its factorization.

2440064645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25684915.

The product of its (nonzero) digits is 92160, while the sum is 35.

The square root of 2440064645 is about 49397.0104864657. The cubic root of 2440064645 is about 1346.2749885800.

The spelling of 2440064645 in words is "two billion, four hundred forty million, sixty-four thousand, six hundred forty-five".