40992705 has 48 divisors (see below), whose sum is σ = 77575680. Its totient is φ = 19903104.

The previous prime is 40992697. The next prime is 40992713. The reversal of 40992705 is 50729904.

It is an interprime number because it is at equal distance from previous prime (40992697) and next prime (40992713).

It is not a de Polignac number, because 40992705 - 2³ = 40992697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40992705.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45772 + ... + 46658.

It is an arithmetic number, because the mean of its divisors is an integer number (1616160).

Almost surely, 2^40992705 is an apocalyptic number.

40992705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40992705 is a deficient number, since it is larger than the sum of its proper divisors (36582975).

40992705 is a wasteful number, since it uses less digits than its factorization.

40992705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 40992705 is about 6402.5545682954. The cubic root of 40992705 is about 344.8012718132.

The spelling of 40992705 in words is "forty million, nine hundred ninety-two thousand, seven hundred five".