2406644464 has 40 divisors (see below), whose sum is σ = 5331766880. Its totient is φ = 1030883328.

The previous prime is 2406644453. The next prime is 2406644467. The reversal of 2406644464 is 4644466042.

It is a happy number.

It is a super-2 number, since 2×2406644464² = 11583875152203694592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2406644467) 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, 272632 + ... + 281320.

It is an arithmetic number, because the mean of its divisors is an integer number (133294172).

Almost surely, 2^2406644464 is an apocalyptic number.

It is an amenable number.

2406644464 is an abundant number, since it is smaller than the sum of its proper divisors (2925122416).

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

2406644464 is a wasteful number, since it uses less digits than its factorization.

2406644464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177 (or 11171 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The square root of 2406644464 is about 49057.5627604960. The cubic root of 2406644464 is about 1340.1003236687.

The spelling of 2406644464 in words is "two billion, four hundred six million, six hundred forty-four thousand, four hundred sixty-four".