255040502 has 4 divisors (see below), whose sum is σ = 382560756. Its totient is φ = 127520250.

The previous prime is 255040481. The next prime is 255040507. The reversal of 255040502 is 205040552.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255040507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63760124 + ... + 63760127.

It is an arithmetic number, because the mean of its divisors is an integer number (95640189).

Almost surely, 2^255040502 is an apocalyptic number.

255040502 is a deficient number, since it is larger than the sum of its proper divisors (127520254).

255040502 is a wasteful number, since it uses less digits than its factorization.

255040502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127520253.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 255040502 is about 15969.9875391310. The cubic root of 255040502 is about 634.1661421433.

The spelling of 255040502 in words is "two hundred fifty-five million, forty thousand, five hundred two".