255552015040 has 56 divisors (see below), whose sum is σ = 695466561312. Its totient is φ = 87617832960.

The previous prime is 255552015013. The next prime is 255552015053. The reversal of 255552015040 is 40510255552.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 255552014987 and 255552015005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57040621 + ... + 57045100.

Almost surely, 2^255552015040 is an apocalyptic number.

255552015040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255552015040 is an abundant number, since it is smaller than the sum of its proper divisors (439914546272).

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

255552015040 is a wasteful number, since it uses less digits than its factorization.

255552015040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114085745 (or 114085735 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The spelling of 255552015040 in words is "two hundred fifty-five billion, five hundred fifty-two million, fifteen thousand, forty".