1351440264 has 32 divisors (see below), whose sum is σ = 3380401440. Its totient is φ = 450240000.

The previous prime is 1351440239. The next prime is 1351440283. The reversal of 1351440264 is 4620441531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34264 + ... + 62264.

It is an arithmetic number, because the mean of its divisors is an integer number (105637545).

Almost surely, 2^1351440264 is an apocalyptic number.

It is an amenable number.

1351440264 is an abundant number, since it is smaller than the sum of its proper divisors (2028961176).

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

1351440264 is a wasteful number, since it uses less digits than its factorization.

1351440264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30021 (or 30017 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1351440264 is about 36761.9404275672. The cubic root of 1351440264 is about 1105.6023453065.

Adding to 1351440264 its reverse (4620441531), we get a palindrome (5971881795).

The spelling of 1351440264 in words is "one billion, three hundred fifty-one million, four hundred forty thousand, two hundred sixty-four".