40011153 has 32 divisors (see below), whose sum is σ = 66291456. Its totient is φ = 20901888.

The previous prime is 40011151. The next prime is 40011161. The reversal of 40011153 is 35111004.

It is not a de Polignac number, because 40011153 - 2¹ = 40011151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40011151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30201 + ... + 31497.

It is an arithmetic number, because the mean of its divisors is an integer number (2071608).

Almost surely, 2^40011153 is an apocalyptic number.

It is an amenable number.

40011153 is a deficient number, since it is larger than the sum of its proper divisors (26280303).

40011153 is a wasteful number, since it uses less digits than its factorization.

40011153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 40011153 is about 6325.4369809524. The cubic root of 40011153 is about 342.0269719845.

Adding to 40011153 its reverse (35111004), we get a palindrome (75122157).

The spelling of 40011153 in words is "forty million, eleven thousand, one hundred fifty-three".