254503423040 has 112 divisors (see below), whose sum is σ = 625980195840. Its totient is φ = 98455357440.

The previous prime is 254503423021. The next prime is 254503423049. The reversal of 254503423040 is 40324305452.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 254503422988 and 254503423006.

It is not an unprimeable number, because it can be changed into a prime (254503423049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17680166 + ... + 17694554.

Almost surely, 2^254503423040 is an apocalyptic number.

254503423040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254503423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312990097920).

254503423040 is an abundant number, since it is smaller than the sum of its proper divisors (371476772800).

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

254503423040 is a wasteful number, since it uses less digits than its factorization.

254503423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16220 (or 16210 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 254503423040 its reverse (40324305452), we get a palindrome (294827728492).

The spelling of 254503423040 in words is "two hundred fifty-four billion, five hundred three million, four hundred twenty-three thousand, forty".