1346440452 has 24 divisors (see below), whose sum is σ = 3590508096. Its totient is φ = 384697248.

The previous prime is 1346440441. The next prime is 1346440457. The reversal of 1346440452 is 2540446431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1346440457) 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, 8014443 + ... + 8014610.

It is an arithmetic number, because the mean of its divisors is an integer number (149604504).

Almost surely, 2^1346440452 is an apocalyptic number.

1346440452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1346440452 is an abundant number, since it is smaller than the sum of its proper divisors (2244067644).

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

1346440452 is a wasteful number, since it uses less digits than its factorization.

1346440452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16029067 (or 16029065 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 1346440452 is about 36693.8748567114. The cubic root of 1346440452 is about 1104.2372251981.

Adding to 1346440452 its reverse (2540446431), we get a palindrome (3886886883).

The spelling of 1346440452 in words is "one billion, three hundred forty-six million, four hundred forty thousand, four hundred fifty-two".