1408580641 has 8 divisors (see below), whose sum is σ = 1519920360. Its totient is φ = 1297667712.

The previous prime is 1408580623. The next prime is 1408580659. The reversal of 1408580641 is 1460858041.

It is an interprime number because it is at equal distance from previous prime (1408580623) and next prime (1408580659).

It can be written as a sum of positive squares in 4 ways, for example, as 247747600 + 1160833041 = 15740^2 + 34071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1408580641 - 2¹¹ = 1408578593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1408580641.

It is not an unprimeable number, because it can be changed into a prime (1408580671) 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, 99820 + ... + 113053.

It is an arithmetic number, because the mean of its divisors is an integer number (189990045).

Almost surely, 2^1408580641 is an apocalyptic number.

It is an amenable number.

1408580641 is a deficient number, since it is larger than the sum of its proper divisors (111339719).

1408580641 is a wasteful number, since it uses less digits than its factorization.

1408580641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213395.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 1408580641 is about 37531.0623484068. The cubic root of 1408580641 is about 1120.9697810616.

The spelling of 1408580641 in words is "one billion, four hundred eight million, five hundred eighty thousand, six hundred forty-one".