40707331 has 4 divisors (see below), whose sum is σ = 46522672. Its totient is φ = 34891992.

The previous prime is 40707239. The next prime is 40707341. The reversal of 40707331 is 13370704.

It is a happy number.

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 40707331 - 2¹¹ = 40705283 is a prime.

It is a super-2 number, since 2×40707331² = 3314173594287122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40707296 and 40707305.

It is not an unprimeable number, because it can be changed into a prime (40707341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2907660 + ... + 2907673.

It is an arithmetic number, because the mean of its divisors is an integer number (11630668).

Almost surely, 2^40707331 is an apocalyptic number.

40707331 is a deficient number, since it is larger than the sum of its proper divisors (5815341).

40707331 is an equidigital number, since it uses as much as digits as its factorization.

40707331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815340.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 40707331 is about 6380.2296980595. The cubic root of 40707331 is about 343.9992873385. Note that the first 3 decimals are identical.

The spelling of 40707331 in words is "forty million, seven hundred seven thousand, three hundred thirty-one".