40331707 has 4 divisors (see below), whose sum is σ = 43434160. Its totient is φ = 37229256.

The previous prime is 40331671. The next prime is 40331747. The reversal of 40331707 is 70713304.

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 40331707 - 2¹¹ = 40329659 is a prime.

It is a Duffinian number.

40331707 is a modest number, since divided by 31707 gives 403 as remainder.

It is not an unprimeable number, because it can be changed into a prime (40331747) 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, 1551207 + ... + 1551232.

It is an arithmetic number, because the mean of its divisors is an integer number (10858540).

Almost surely, 2^40331707 is an apocalyptic number.

40331707 is a deficient number, since it is larger than the sum of its proper divisors (3102453).

40331707 is a wasteful number, since it uses less digits than its factorization.

40331707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102452.

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

The square root of 40331707 is about 6350.7249192513. The cubic root of 40331707 is about 342.9379397957.

The spelling of 40331707 in words is "forty million, three hundred thirty-one thousand, seven hundred seven".