1335244240 has 160 divisors (see below), whose sum is σ = 3480527232. Its totient is φ = 472320000.

The previous prime is 1335244201. The next prime is 1335244249. The reversal of 1335244240 is 424425331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1335244199 and 1335244208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1335244249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7376950 + ... + 7377130.

Almost surely, 2^1335244240 is an apocalyptic number.

1335244240 is a gapful number since it is divisible by the number (10) 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 1335244240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740263616).

1335244240 is an abundant number, since it is smaller than the sum of its proper divisors (2145282992).

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

1335244240 is a wasteful number, since it uses less digits than its factorization.

1335244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1335244240 is about 36540.9939656819. The cubic root of 1335244240 is about 1101.1679715391.

Adding to 1335244240 its reverse (424425331), we get a palindrome (1759669571).

It can be divided in two parts, 13 and 35244240, that added together give a palindrome (35244253).

The spelling of 1335244240 in words is "one billion, three hundred thirty-five million, two hundred forty-four thousand, two hundred forty".