40249853 has 8 divisors (see below), whose sum is σ = 46123008. Its totient is φ = 34407504.

The previous prime is 40249837. The next prime is 40249861. The reversal of 40249853 is 35894204.

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 40249853 - 2⁴ = 40249837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40249453) 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, 4826 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (5765376).

Almost surely, 2^40249853 is an apocalyptic number.

It is an amenable number.

40249853 is a deficient number, since it is larger than the sum of its proper divisors (5873155).

40249853 is a wasteful number, since it uses less digits than its factorization.

40249853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 40249853 is about 6344.2771849912. The cubic root of 40249853 is about 342.7057828836.

The spelling of 40249853 in words is "forty million, two hundred forty-nine thousand, eight hundred fifty-three".