255040294770 has 48 divisors (see below), whose sum is σ = 663878718360. Its totient is φ = 67931365632.

The previous prime is 255040294763. The next prime is 255040294793. The reversal of 255040294770 is 77492040552.

255040294770 is a `hidden beast` number, since 2 + 550 + 4 + 0 + 2 + 94 + 7 + 7 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 213740707041 + 41299587729 = 462321^2 + 203223^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1576185 + ... + 1730444.

Almost surely, 2^255040294770 is an apocalyptic number.

255040294770 is an abundant number, since it is smaller than the sum of its proper divisors (408838423590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255040294770 is a wasteful number, since it uses less digits than its factorization.

255040294770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307499 (or 3307496 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 255040294770 in words is "two hundred fifty-five billion, forty million, two hundred ninety-four thousand, seven hundred seventy".