40802436 has 36 divisors (see below), whose sum is σ = 103904892. Its totient is φ = 13499904.

The previous prime is 40802423. The next prime is 40802441. The reversal of 40802436 is 63420804.

It can be written as a sum of positive squares in 2 ways, for example, as 27625536 + 13176900 = 5256^2 + 3630^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796 + ... + 9068.

It is an arithmetic number, because the mean of its divisors is an integer number (2886247).

Almost surely, 2^40802436 is an apocalyptic number.

It is an amenable number.

40802436 is an abundant number, since it is smaller than the sum of its proper divisors (63102456).

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

40802436 is a wasteful number, since it uses less digits than its factorization.

40802436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420 (or 8415 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40802436 is about 6387.6784515190. The cubic root of 40802436 is about 344.2669754604.

The spelling of 40802436 in words is "forty million, eight hundred two thousand, four hundred thirty-six".