60440009 has 8 divisors (see below), whose sum is σ = 69322368. Its totient is φ = 51619680.

The previous prime is 60439997. The next prime is 60440053. The reversal of 60440009 is 90004406.

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

It is not a de Polignac number, because 60440009 - 2²⁴ = 43662793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60440059) 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, 13397 + ... + 17330.

It is an arithmetic number, because the mean of its divisors is an integer number (8665296).

Almost surely, 2^60440009 is an apocalyptic number.

It is an amenable number.

60440009 is a deficient number, since it is larger than the sum of its proper divisors (8882359).

60440009 is a wasteful number, since it uses less digits than its factorization.

60440009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31015.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 60440009 is about 7774.3172690597. The cubic root of 60440009 is about 392.4414214714.

The spelling of 60440009 in words is "sixty million, four hundred forty thousand, nine".