255240303554 has 4 divisors (see below), whose sum is σ = 382860455334. Its totient is φ = 127620151776.

The previous prime is 255240303541. The next prime is 255240303589. The reversal of 255240303554 is 455303042552.

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

It can be written as a sum of positive squares in only one way, i.e., 248728620529 + 6511683025 = 498727^2 + 80695^2 .

It is a super-2 number, since 2×255240303554² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63810075887 + ... + 63810075890.

Almost surely, 2^255240303554 is an apocalyptic number.

255240303554 is a deficient number, since it is larger than the sum of its proper divisors (127620151780).

255240303554 is a wasteful number, since it uses less digits than its factorization.

255240303554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127620151779.

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 255240303554 in words is "two hundred fifty-five billion, two hundred forty million, three hundred three thousand, five hundred fifty-four".