40235253 has 8 divisors (see below), whose sum is σ = 54326400. Its totient is φ = 26483808.

The previous prime is 40235201. The next prime is 40235263. The reversal of 40235253 is 35253204.

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

It is not a de Polignac number, because 40235253 - 2¹² = 40231157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40235263) 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, 84648 + ... + 85121.

It is an arithmetic number, because the mean of its divisors is an integer number (6790800).

Almost surely, 2^40235253 is an apocalyptic number.

It is an amenable number.

40235253 is a deficient number, since it is larger than the sum of its proper divisors (14091147).

40235253 is a wasteful number, since it uses less digits than its factorization.

40235253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169851.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 40235253 is about 6343.1264373336. The cubic root of 40235253 is about 342.6643408313.

Adding to 40235253 its reverse (35253204), we get a palindrome (75488457).

The spelling of 40235253 in words is "forty million, two hundred thirty-five thousand, two hundred fifty-three".