255057642730 has 32 divisors (see below), whose sum is σ = 504443661120. Its totient is φ = 92080974720.

The previous prime is 255057642677. The next prime is 255057642737. The reversal of 255057642730 is 37246750552.

It is a super-2 number, since 2×255057642730² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255057642737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8325379 + ... + 8355958.

It is an arithmetic number, because the mean of its divisors is an integer number (15763864410).

Almost surely, 2^255057642730 is an apocalyptic number.

255057642730 is a deficient number, since it is larger than the sum of its proper divisors (249386018390).

255057642730 is a wasteful number, since it uses less digits than its factorization.

255057642730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16681494.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The spelling of 255057642730 in words is "two hundred fifty-five billion, fifty-seven million, six hundred forty-two thousand, seven hundred thirty".