254505340 has 24 divisors (see below), whose sum is σ = 535358880. Its totient is φ = 101631168.

The previous prime is 254505331. The next prime is 254505371. The reversal of 254505340 is 43505452.

It is a junction number, because it is equal to n+sod(n) for n = 254505299 and 254505308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881 + ... + 22639.

It is an arithmetic number, because the mean of its divisors is an integer number (22306620).

Almost surely, 2^254505340 is an apocalyptic number.

254505340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254505340 is an abundant number, since it is smaller than the sum of its proper divisors (280853540).

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

254505340 is a wasteful number, since it uses less digits than its factorization.

254505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21381 (or 21379 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 254505340 is about 15953.2234987165. The cubic root of 254505340 is about 633.7222658768.

The spelling of 254505340 in words is "two hundred fifty-four million, five hundred five thousand, three hundred forty".