2053440008 has 8 divisors (see below), whose sum is σ = 3850200030. Its totient is φ = 1026720000.

The previous prime is 2053440007. The next prime is 2053440043. The reversal of 2053440008 is 8000443502.

It can be written as a sum of positive squares in only one way, i.e., 1052223844 + 1001216164 = 32438^2 + 31642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2053440007) 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 as a sum of consecutive naturals, namely, 128339993 + ... + 128340008.

Almost surely, 2^2053440008 is an apocalyptic number.

It is an amenable number.

2053440008 is a deficient number, since it is larger than the sum of its proper divisors (1796760022).

2053440008 is a wasteful number, since it uses less digits than its factorization.

2053440008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256680007 (or 256680003 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2053440008 is about 45314.8983006693. The cubic root of 2053440008 is about 1271.0442581997.

The spelling of 2053440008 in words is "two billion, fifty-three million, four hundred forty thousand, eight".