263310020452 has 12 divisors (see below), whose sum is σ = 461317961020. Its totient is φ = 131504888736.

The previous prime is 263310020401. The next prime is 263310020483. The reversal of 263310020452 is 254020013362.

It can be written as a sum of positive squares in 2 ways, for example, as 127374754816 + 135935265636 = 356896^2 + 368694^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 263310020452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37526427 + ... + 37533442.

Almost surely, 2^263310020452 is an apocalyptic number.

It is an amenable number.

263310020452 is a deficient number, since it is larger than the sum of its proper divisors (198007940568).

263310020452 is a wasteful number, since it uses less digits than its factorization.

263310020452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75060750 (or 75060748 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 263310020452 in words is "two hundred sixty-three billion, three hundred ten million, twenty thousand, four hundred fifty-two".