1013440342 has 4 divisors (see below), whose sum is σ = 1520160516. Its totient is φ = 506720170.

The previous prime is 1013440339. The next prime is 1013440349. The reversal of 1013440342 is 2430443101.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1013440342² = 2054122653586153928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013440349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253360084 + ... + 253360087.

It is an arithmetic number, because the mean of its divisors is an integer number (380040129).

Almost surely, 2^1013440342 is an apocalyptic number.

1013440342 is a deficient number, since it is larger than the sum of its proper divisors (506720174).

1013440342 is an equidigital number, since it uses as much as digits as its factorization.

1013440342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506720173.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1013440342 is about 31834.5777732327. The cubic root of 1013440342 is about 1004.4601911192.

Adding to 1013440342 its reverse (2430443101), we get a palindrome (3443883443).

It can be divided in two parts, 101 and 3440342, that added together give a palindrome (3440443).

The spelling of 1013440342 in words is "one billion, thirteen million, four hundred forty thousand, three hundred forty-two".