40209153 has 8 divisors (see below), whose sum is σ = 53644416. Its totient is φ = 26790000.

The previous prime is 40209137. The next prime is 40209157. The reversal of 40209153 is 35190204.

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

It is not a de Polignac number, because 40209153 - 2⁴ = 40209137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40209157) 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, 4203 + ... + 9903.

It is an arithmetic number, because the mean of its divisors is an integer number (6705552).

Almost surely, 2^40209153 is an apocalyptic number.

It is an amenable number.

40209153 is a deficient number, since it is larger than the sum of its proper divisors (13435263).

40209153 is a wasteful number, since it uses less digits than its factorization.

40209153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 40209153 is about 6341.0687584980. The cubic root of 40209153 is about 342.5902310795.

Adding to 40209153 its reverse (35190204), we get a palindrome (75399357).

The spelling of 40209153 in words is "forty million, two hundred nine thousand, one hundred fifty-three".