40990949833 has 12 divisors (see below), whose sum is σ = 42166917660. Its totient is φ = 39846961152.

The previous prime is 40990949803. The next prime is 40990949869. The reversal of 40990949833 is 33894909904.

It can be written as a sum of positive squares in 6 ways, for example, as 6968409529 + 34022540304 = 83477^2 + 184452^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40990949833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40990949803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1565473 + ... + 1591441.

It is an arithmetic number, because the mean of its divisors is an integer number (3513909805).

Almost surely, 2^40990949833 is an apocalyptic number.

It is an amenable number.

40990949833 is a deficient number, since it is larger than the sum of its proper divisors (1175967827).

40990949833 is a wasteful number, since it uses less digits than its factorization.

40990949833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27196 (or 27159 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 58.

The spelling of 40990949833 in words is "forty billion, nine hundred ninety million, nine hundred forty-nine thousand, eight hundred thirty-three".