255045225213540 has 72 divisors (see below), whose sum is σ = 773914573406520. Its totient is φ = 67987674100224.

The previous prime is 255045225213521. The next prime is 255045225213589. The reversal of 255045225213540 is 45312522540552.

255045225213540 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 4 + 52 + 2 + 52 + 1 + 3 + 540 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29253970785636 + 225791254427904 = 5408694^2 + 15026352^2 .

It is a super-3 number, since 3×255045225213540³ (a number of 44 digits) contains 333 as substring.

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, 253516969 + ... + 254521008.

It is an arithmetic number, because the mean of its divisors is an integer number (10748813519535).

Almost surely, 2^{255045225213540} is an apocalyptic number.

255045225213540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255045225213540 is an abundant number, since it is smaller than the sum of its proper divisors (518869348192980).

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

255045225213540 is a wasteful number, since it uses less digits than its factorization.

255045225213540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508040781 (or 508040776 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

The spelling of 255045225213540 in words is "two hundred fifty-five trillion, forty-five billion, two hundred twenty-five million, two hundred thirteen thousand, five hundred forty".