40766831 has 8 divisors (see below), whose sum is σ = 46631040. Its totient is φ = 34912728.

The previous prime is 40766827. The next prime is 40766839. The reversal of 40766831 is 13866704.

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 40766831 - 2² = 40766827 is a prime.

It is a super-2 number, since 2×40766831² = 3323869019565122, 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 = 40766791 and 40766800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40766839) 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, 10880 + ... + 14138.

It is an arithmetic number, because the mean of its divisors is an integer number (5828880).

Almost surely, 2^40766831 is an apocalyptic number.

40766831 is a deficient number, since it is larger than the sum of its proper divisors (5864209).

40766831 is a wasteful number, since it uses less digits than its factorization.

40766831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 40766831 is about 6384.8908369682. The cubic root of 40766831 is about 344.1668082971.

The spelling of 40766831 in words is "forty million, seven hundred sixty-six thousand, eight hundred thirty-one".