40992331 has 2 divisors, whose sum is σ = 40992332. Its totient is φ = 40992330.

The previous prime is 40992317. The next prime is 40992359. The reversal of 40992331 is 13329904.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40992331 is a prime.

It is a super-2 number, since 2×40992331² = 3360742401627122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40992293 and 40992302.

It is not a weakly prime, because it can be changed into another prime (40992031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20496165 + 20496166.

It is an arithmetic number, because the mean of its divisors is an integer number (20496166).

Almost surely, 2^40992331 is an apocalyptic number.

40992331 is a deficient number, since it is larger than the sum of its proper divisors (1).

40992331 is an equidigital number, since it uses as much as digits as its factorization.

40992331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 40992331 is about 6402.5253611368. The cubic root of 40992331 is about 344.8002232033.

The spelling of 40992331 in words is "forty million, nine hundred ninety-two thousand, three hundred thirty-one".