255005453740 has 12 divisors (see below), whose sum is σ = 535511452896. Its totient is φ = 102002181488.

The previous prime is 255005453737. The next prime is 255005453803. The reversal of 255005453740 is 47354500552.

It is a junction number, because it is equal to n+sod(n) for n = 255005453693 and 255005453702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6375136324 + ... + 6375136363.

It is an arithmetic number, because the mean of its divisors is an integer number (44625954408).

Almost surely, 2^255005453740 is an apocalyptic number.

255005453740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255005453740 is an abundant number, since it is smaller than the sum of its proper divisors (280505999156).

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

255005453740 is a wasteful number, since it uses less digits than its factorization.

255005453740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750272696 (or 12750272694 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 40.

The spelling of 255005453740 in words is "two hundred fifty-five billion, five million, four hundred fifty-three thousand, seven hundred forty".