254540042 has 8 divisors (see below), whose sum is σ = 388281600. Its totient is φ = 125112844.

The previous prime is 254540029. The next prime is 254540059. The reversal of 254540042 is 240045452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 254539993 and 254540020.

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, 1078442 + ... + 1078677.

It is an arithmetic number, because the mean of its divisors is an integer number (48535200).

Almost surely, 2^254540042 is an apocalyptic number.

254540042 is a deficient number, since it is larger than the sum of its proper divisors (133741558).

254540042 is a wasteful number, since it uses less digits than its factorization.

254540042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157180.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 254540042 is about 15954.3110788276. The cubic root of 254540042 is about 633.7510674082.

Adding to 254540042 its reverse (240045452), we get a palindrome (494585494).

The spelling of 254540042 in words is "two hundred fifty-four million, five hundred forty thousand, forty-two".