2403045664 has 24 divisors (see below), whose sum is σ = 4732894908. Its totient is φ = 1201040640.

The previous prime is 2403045661. The next prime is 2403045703. The reversal of 2403045664 is 4665403042.

It can be written as a sum of positive squares in 2 ways, for example, as 2402960400 + 85264 = 49020^2 + 292^2 .

It is not an unprimeable number, because it can be changed into a prime (2403045661) 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, 74014 + ... + 101410.

Almost surely, 2^2403045664 is an apocalyptic number.

It is an amenable number.

2403045664 is a deficient number, since it is larger than the sum of its proper divisors (2329849244).

2403045664 is a wasteful number, since it uses less digits than its factorization.

2403045664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30148 (or 30140 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 2403045664 is about 49020.8696781279. The cubic root of 2403045664 is about 1339.4320129379.

The spelling of 2403045664 in words is "two billion, four hundred three million, forty-five thousand, six hundred sixty-four".