2646452408 has 16 divisors (see below), whose sum is σ = 4976403480. Its totient is φ = 1319411488.

The previous prime is 2646452401. The next prime is 2646452467. The reversal of 2646452408 is 8042546462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646452401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473891 + ... + 479442.

Almost surely, 2^2646452408 is an apocalyptic number.

It is an amenable number.

2646452408 is a deficient number, since it is larger than the sum of its proper divisors (2329951072).

2646452408 is a wasteful number, since it uses less digits than its factorization.

2646452408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953686 (or 953682 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 41.

The square root of 2646452408 is about 51443.6819055557. The cubic root of 2646452408 is about 1383.2097114799.

The spelling of 2646452408 in words is "two billion, six hundred forty-six million, four hundred fifty-two thousand, four hundred eight".