1300440442 has 32 divisors (see below), whose sum is σ = 2251312128. Its totient is φ = 551857536.

The previous prime is 1300440439. The next prime is 1300440511. The reversal of 1300440442 is 2440440031.

It is a super-2 number, since 2×1300440442² = 3382290686378310728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163668 + ... + 1164784.

It is an arithmetic number, because the mean of its divisors is an integer number (70353504).

Almost surely, 2^1300440442 is an apocalyptic number.

1300440442 is a deficient number, since it is larger than the sum of its proper divisors (950871686).

1300440442 is a wasteful number, since it uses less digits than its factorization.

1300440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1300440442 is about 36061.6200689875. The cubic root of 1300440442 is about 1091.5161243400.

Adding to 1300440442 its reverse (2440440031), we get a palindrome (3740880473).

The spelling of 1300440442 in words is "one billion, three hundred million, four hundred forty thousand, four hundred forty-two".