40133253 has 8 divisors (see below), whose sum is σ = 54649728. Its totient is φ = 26186144.

The previous prime is 40133231. The next prime is 40133267. The reversal of 40133253 is 35233104.

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

It is not a de Polignac number, because 40133253 - 2¹⁸ = 39871109 is a prime.

It is a super-2 number, since 2×40133253² = 3221355992724018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40133153) 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, 142176 + ... + 142457.

It is an arithmetic number, because the mean of its divisors is an integer number (6831216).

Almost surely, 2^40133253 is an apocalyptic number.

It is an amenable number.

40133253 is a deficient number, since it is larger than the sum of its proper divisors (14516475).

40133253 is a wasteful number, since it uses less digits than its factorization.

40133253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284683.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 40133253 is about 6335.0811360234. The cubic root of 40133253 is about 342.3745341145.

Adding to 40133253 its reverse (35233104), we get a palindrome (75366357).

The spelling of 40133253 in words is "forty million, one hundred thirty-three thousand, two hundred fifty-three".