40261823 has 8 divisors (see below), whose sum is σ = 46059648. Its totient is φ = 34475544.

The previous prime is 40261811. The next prime is 40261829. The reversal of 40261823 is 32816204.

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 40261823 - 2⁴ = 40261807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40261792 and 40261801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40261829) 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, 6740 + ... + 11222.

It is an arithmetic number, because the mean of its divisors is an integer number (5757456).

Almost surely, 2^40261823 is an apocalyptic number.

40261823 is a deficient number, since it is larger than the sum of its proper divisors (5797825).

40261823 is a wasteful number, since it uses less digits than its factorization.

40261823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40261823 is about 6345.2204847428. The cubic root of 40261823 is about 342.7397522137.

The spelling of 40261823 in words is "forty million, two hundred sixty-one thousand, eight hundred twenty-three".