254205235442 has 16 divisors (see below), whose sum is σ = 401437416960. Its totient is φ = 120394787472.

The previous prime is 254205235421. The next prime is 254205235451. The reversal of 254205235442 is 244532502452.

254205235442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×254205235442² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 254205235396 and 254205235405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249938 + ... + 755565.

It is an arithmetic number, because the mean of its divisors is an integer number (25089838560).

Almost surely, 2^254205235442 is an apocalyptic number.

254205235442 is a deficient number, since it is larger than the sum of its proper divisors (147232181518).

254205235442 is a wasteful number, since it uses less digits than its factorization.

254205235442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012177.

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 254205235442 its reverse (244532502452), we get a palindrome (498737737894).

The spelling of 254205235442 in words is "two hundred fifty-four billion, two hundred five million, two hundred thirty-five thousand, four hundred forty-two".