40581627249 has 8 divisors (see below), whose sum is σ = 54124538400. Its totient is φ = 27046567136.

The previous prime is 40581627217. The next prime is 40581627259. The reversal of 40581627249 is 94272618504.

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 40581627249 - 2⁵ = 40581627217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40581627198 and 40581627207.

It is not an unprimeable number, because it can be changed into a prime (40581627259) 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, 1950687 + ... + 1971380.

It is an arithmetic number, because the mean of its divisors is an integer number (6765567300).

Almost surely, 2^40581627249 is an apocalyptic number.

It is an amenable number.

40581627249 is a deficient number, since it is larger than the sum of its proper divisors (13542911151).

40581627249 is a wasteful number, since it uses less digits than its factorization.

40581627249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925519.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 40581627249 in words is "forty billion, five hundred eighty-one million, six hundred twenty-seven thousand, two hundred forty-nine".