2427064440 has 128 divisors (see below), whose sum is σ = 7367915520. Its totient is φ = 639564800.

The previous prime is 2427064439. The next prime is 2427064447. The reversal of 2427064440 is 444607242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427064447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5631025 + ... + 5631455.

It is an arithmetic number, because the mean of its divisors is an integer number (57561840).

Almost surely, 2^2427064440 is an apocalyptic number.

2427064440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2427064440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3683957760).

2427064440 is an abundant number, since it is smaller than the sum of its proper divisors (4940851080).

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

2427064440 is a wasteful number, since it uses less digits than its factorization.

2427064440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 33.

The square root of 2427064440 is about 49265.2457620989. The cubic root of 2427064440 is about 1343.8798299940.

The spelling of 2427064440 in words is "two billion, four hundred twenty-seven million, sixty-four thousand, four hundred forty".