1335235240 has 32 divisors (see below), whose sum is σ = 3006206280. Its totient is φ = 533751552.

The previous prime is 1335235229. The next prime is 1335235249. The reversal of 1335235240 is 425325331.

It can be written as a sum of positive squares in 4 ways, for example, as 661209796 + 674025444 = 25714^2 + 25962^2 .

It is a super-2 number, since 2×1335235240² = 3565706292275715200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1335235199 and 1335235208.

It is not an unprimeable number, because it can be changed into a prime (1335235249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57862 + ... + 77578.

Almost surely, 2^1335235240 is an apocalyptic number.

1335235240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1335235240 is an abundant number, since it is smaller than the sum of its proper divisors (1670971040).

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

1335235240 is a wasteful number, since it uses less digits than its factorization.

1335235240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21421 (or 21417 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1335235240 is about 36540.8708161149. The cubic root of 1335235240 is about 1101.1654974514.

Subtracting from 1335235240 its reverse (425325331), we obtain a palindrome (909909909).

The spelling of 1335235240 in words is "one billion, three hundred thirty-five million, two hundred thirty-five thousand, two hundred forty".