1408240561 has 8 divisors (see below), whose sum is σ = 1733219264. Its totient is φ = 1114212240.

The previous prime is 1408240541. The next prime is 1408240567. The reversal of 1408240561 is 1650428041.

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 1408240561 - 2⁹ = 1408240049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1408240567) 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, 7737495 + ... + 7737676.

It is an arithmetic number, because the mean of its divisors is an integer number (216652408).

Almost surely, 2^1408240561 is an apocalyptic number.

It is an amenable number.

1408240561 is a deficient number, since it is larger than the sum of its proper divisors (324978703).

1408240561 is a wasteful number, since it uses less digits than its factorization.

1408240561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15475191.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1408240561 is about 37526.5314277779. The cubic root of 1408240561 is about 1120.8795601976.

The spelling of 1408240561 in words is "one billion, four hundred eight million, two hundred forty thousand, five hundred sixty-one".