1408342865 has 16 divisors (see below), whose sum is σ = 1769112576. Its totient is φ = 1074964800.

The previous prime is 1408342799. The next prime is 1408342913. The reversal of 1408342865 is 5682438041.

It is not a de Polignac number, because 1408342865 - 2¹⁶ = 1408277329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52982 + ... + 74991.

It is an arithmetic number, because the mean of its divisors is an integer number (110569536).

Almost surely, 2^1408342865 is an apocalyptic number.

It is an amenable number.

1408342865 is a deficient number, since it is larger than the sum of its proper divisors (360769711).

1408342865 is a wasteful number, since it uses less digits than its factorization.

1408342865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128080.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 1408342865 is about 37527.8944919642. The cubic root of 1408342865 is about 1120.9067022663.

The spelling of 1408342865 in words is "one billion, four hundred eight million, three hundred forty-two thousand, eight hundred sixty-five".