254555442 has 24 divisors (see below), whose sum is σ = 564364944. Its totient is φ = 82878264.

The previous prime is 254555437. The next prime is 254555447. The reversal of 254555442 is 244555452.

254555442 is a `hidden beast` number, since 25 + 45 + 554 + 42 = 666.

254555442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (254555437) and next prime (254555447).

It is a junction number, because it is equal to n+sod(n) for n = 254555397 and 254555406.

It is not an unprimeable number, because it can be changed into a prime (254555447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163668 + ... + 165215.

It is an arithmetic number, because the mean of its divisors is an integer number (23515206).

Almost surely, 2^254555442 is an apocalyptic number.

254555442 is an abundant number, since it is smaller than the sum of its proper divisors (309809502).

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

254555442 is a wasteful number, since it uses less digits than its factorization.

254555442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328934 (or 328931 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 254555442 is about 15954.7936997004. The cubic root of 254555442 is about 633.7638480687.

The spelling of 254555442 in words is "two hundred fifty-four million, five hundred fifty-five thousand, four hundred forty-two".