40662331 has 4 divisors (see below), whose sum is σ = 40692600. Its totient is φ = 40632064.

The previous prime is 40662313. The next prime is 40662343. The reversal of 40662331 is 13326604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40662331 - 2⁷ = 40662203 is a prime.

It is a super-2 number, since 2×40662331² = 3306850324707122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40662296 and 40662305.

It is not an unprimeable number, because it can be changed into a prime (40662301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13021 + ... + 15838.

It is an arithmetic number, because the mean of its divisors is an integer number (10173150).

Almost surely, 2^40662331 is an apocalyptic number.

40662331 is a deficient number, since it is larger than the sum of its proper divisors (30269).

40662331 is a wasteful number, since it uses less digits than its factorization.

40662331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30268.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 40662331 is about 6376.7022041177. The cubic root of 40662331 is about 343.8724823694.

Adding to 40662331 its reverse (13326604), we get a palindrome (53988935).

The spelling of 40662331 in words is "forty million, six hundred sixty-two thousand, three hundred thirty-one".