40991035 has 8 divisors (see below), whose sum is σ = 49228416. Its totient is φ = 32766720.

The previous prime is 40991009. The next prime is 40991047. The reversal of 40991035 is 53019904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40991035 - 2⁷ = 40990907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40990988 and 40991006.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6070 + ... + 10900.

It is an arithmetic number, because the mean of its divisors is an integer number (6153552).

Almost surely, 2^40991035 is an apocalyptic number.

40991035 is a deficient number, since it is larger than the sum of its proper divisors (8237381).

40991035 is a wasteful number, since it uses less digits than its factorization.

40991035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 40991035 is about 6402.4241502731. The cubic root of 40991035 is about 344.7965894684.

The spelling of 40991035 in words is "forty million, nine hundred ninety-one thousand, thirty-five".