1355254240 has 24 divisors (see below), whose sum is σ = 3201788520. Its totient is φ = 542101632.

The previous prime is 1355254217. The next prime is 1355254247. The reversal of 1355254240 is 424525531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355254247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4235010 + ... + 4235329.

It is an arithmetic number, because the mean of its divisors is an integer number (133407855).

Almost surely, 2^1355254240 is an apocalyptic number.

1355254240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355254240 is an abundant number, since it is smaller than the sum of its proper divisors (1846534280).

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

1355254240 is an equidigital number, since it uses as much as digits as its factorization.

1355254240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470354 (or 8470346 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1355254240 is about 36813.7778555801. Note that the first 3 decimals coincide. The cubic root of 1355254240 is about 1106.6414294014.

Adding to 1355254240 its reverse (424525531), we get a palindrome (1779779771).

The spelling of 1355254240 in words is "one billion, three hundred fifty-five million, two hundred fifty-four thousand, two hundred forty".