254040242233005 has 144 divisors (see below), whose sum is σ = 492630035177280. Its totient is φ = 120745721032704.

The previous prime is 254040242232991. The next prime is 254040242233007. The reversal of 254040242233005 is 500332242040452.

254040242233005 is a `hidden beast` number, since 2 + 5 + 40 + 40 + 242 + 2 + 330 + 0 + 5 = 666.

It is not a de Polignac number, because 254040242233005 - 2⁴ = 254040242232989 is a prime.

It is a super-2 number, since 2×254040242233005² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254040242233007) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 490719057 + ... + 491236473.

Almost surely, 2^{254040242233005} is an apocalyptic number.

It is an amenable number.

254040242233005 is a deficient number, since it is larger than the sum of its proper divisors (238589792944275).

254040242233005 is a wasteful number, since it uses less digits than its factorization.

254040242233005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519468 (or 519448 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 254040242233005 its reverse (500332242040452), we get a palindrome (754372484273457).

The spelling of 254040242233005 in words is "two hundred fifty-four trillion, forty billion, two hundred forty-two million, two hundred thirty-three thousand, five".