255012340533040 has 80 divisors (see below), whose sum is σ = 606698644042656. Its totient is φ = 99631661875200.

The previous prime is 255012340533031. The next prime is 255012340533073. The reversal of 255012340533040 is 40335043210552.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×255012340533040² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371731150 + ... + 372416530.

Almost surely, 2^{255012340533040} is an apocalyptic number.

255012340533040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255012340533040 is an abundant number, since it is smaller than the sum of its proper divisors (351686303509616).

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

255012340533040 is a wasteful number, since it uses less digits than its factorization.

255012340533040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793598 (or 793592 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 255012340533040 its reverse (40335043210552), we get a palindrome (295347383743592).

The spelling of 255012340533040 in words is "two hundred fifty-five trillion, twelve billion, three hundred forty million, five hundred thirty-three thousand, forty".