40993311 has 8 divisors (see below), whose sum is σ = 55272240. Its totient is φ = 27021632.

The previous prime is 40993289. The next prime is 40993313. The reversal of 40993311 is 11339904.

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 40993311 - 2⁶ = 40993247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40993313) 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, 76500 + ... + 77033.

It is an arithmetic number, because the mean of its divisors is an integer number (6909030).

Almost surely, 2^40993311 is an apocalyptic number.

40993311 is a deficient number, since it is larger than the sum of its proper divisors (14278929).

40993311 is a wasteful number, since it uses less digits than its factorization.

40993311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153625.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 40993311 is about 6402.6018929807. The cubic root of 40993311 is about 344.8029708842.

The spelling of 40993311 in words is "forty million, nine hundred ninety-three thousand, three hundred eleven".