255015461340 has 36 divisors (see below), whose sum is σ = 773546899944. Its totient is φ = 68004122976.

The previous prime is 255015461339. The next prime is 255015461359. The reversal of 255015461340 is 43164510552.

255015461340 is a `hidden beast` number, since 2 + 5 + 501 + 54 + 61 + 3 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 255015461295 and 255015461304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708376102 + ... + 708376461.

Almost surely, 2^255015461340 is an apocalyptic number.

255015461340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255015461340 is an abundant number, since it is smaller than the sum of its proper divisors (518531438604).

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

255015461340 is a wasteful number, since it uses less digits than its factorization.

255015461340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416752578 (or 1416752573 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 255015461340 its reverse (43164510552), we get a palindrome (298179971892).

The spelling of 255015461340 in words is "two hundred fifty-five billion, fifteen million, four hundred sixty-one thousand, three hundred forty".