254223040540 has 48 divisors (see below), whose sum is σ = 610842580992. Its totient is φ = 87061144896.

The previous prime is 254223040457. The next prime is 254223040543. The reversal of 254223040540 is 45040322452.

254223040540 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254223040543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 931254 + ... + 1172893.

It is an arithmetic number, because the mean of its divisors is an integer number (12725887104).

Almost surely, 2^254223040540 is an apocalyptic number.

254223040540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254223040540 is an abundant number, since it is smaller than the sum of its proper divisors (356619540452).

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

254223040540 is a wasteful number, since it uses less digits than its factorization.

254223040540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105026 (or 2105024 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 254223040540 its reverse (45040322452), we get a palindrome (299263362992).

The spelling of 254223040540 in words is "two hundred fifty-four billion, two hundred twenty-three million, forty thousand, five hundred forty".