1303440042 has 16 divisors (see below), whose sum is σ = 2609269632. Its totient is φ = 434081760.

The previous prime is 1303440041. The next prime is 1303440079. The reversal of 1303440042 is 2400443031.

It is not an unprimeable number, because it can be changed into a prime (1303440041) 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, 92434 + ... + 105597.

It is an arithmetic number, because the mean of its divisors is an integer number (163079352).

Almost surely, 2^1303440042 is an apocalyptic number.

1303440042 is an abundant number, since it is smaller than the sum of its proper divisors (1305829590).

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

1303440042 is a wasteful number, since it uses less digits than its factorization.

1303440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199133.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1303440042 is about 36103.1860366921. The cubic root of 1303440042 is about 1092.3547114122.

Adding to 1303440042 its reverse (2400443031), we get a palindrome (3703883073).

The spelling of 1303440042 in words is "one billion, three hundred three million, four hundred forty thousand, forty-two".