40115433 has 8 divisors (see below), whose sum is σ = 53712000. Its totient is φ = 26631248.

The previous prime is 40115423. The next prime is 40115443. The reversal of 40115433 is 33451104.

It is an interprime number because it is at equal distance from previous prime (40115423) and next prime (40115443).

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 40115433 - 2⁸ = 40115177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40115423) 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, 27258 + ... + 28691.

It is an arithmetic number, because the mean of its divisors is an integer number (6714000).

Almost surely, 2^40115433 is an apocalyptic number.

It is an amenable number.

40115433 is a deficient number, since it is larger than the sum of its proper divisors (13596567).

40115433 is a wasteful number, since it uses less digits than its factorization.

40115433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56191.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40115433 is about 6333.6745258973. The cubic root of 40115433 is about 342.3238528051.

Adding to 40115433 its reverse (33451104), we get a palindrome (73566537).

The spelling of 40115433 in words is "forty million, one hundred fifteen thousand, four hundred thirty-three".