1301352440 has 16 divisors (see below), whose sum is σ = 2928043080. Its totient is φ = 520540960.

The previous prime is 1301352413. The next prime is 1301352449. The reversal of 1301352440 is 442531031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301352449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16266866 + ... + 16266945.

Almost surely, 2^1301352440 is an apocalyptic number.

1301352440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301352440 is an abundant number, since it is smaller than the sum of its proper divisors (1626690640).

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

1301352440 is a wasteful number, since it uses less digits than its factorization.

1301352440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32533822 (or 32533818 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1301352440 is about 36074.2628476314. The cubic root of 1301352440 is about 1091.7712245547.

Adding to 1301352440 its reverse (442531031), we get a palindrome (1743883471).

The spelling of 1301352440 in words is "one billion, three hundred one million, three hundred fifty-two thousand, four hundred forty".