40835838 has 16 divisors (see below), whose sum is σ = 81735696. Its totient is φ = 13601280.

The previous prime is 40835791. The next prime is 40835849. The reversal of 40835838 is 83853804.

It is a junction number, because it is equal to n+sod(n) for n = 40835796 and 40835805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11068 + ... + 14288.

It is an arithmetic number, because the mean of its divisors is an integer number (5108481).

Almost surely, 2^40835838 is an apocalyptic number.

40835838 is an abundant number, since it is smaller than the sum of its proper divisors (40899858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40835838 is a wasteful number, since it uses less digits than its factorization.

40835838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 40835838 is about 6390.2924815692. The cubic root of 40835838 is about 344.3608919861.

The spelling of 40835838 in words is "forty million, eight hundred thirty-five thousand, eight hundred thirty-eight".