36440812 has 6 divisors (see below), whose sum is σ = 63771428. Its totient is φ = 18220404.

The previous prime is 36440777. The next prime is 36440813. The reversal of 36440812 is 21804463.

It is not an unprimeable number, because it can be changed into a prime (36440813) by changing a digit.

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 as a sum of consecutive naturals, namely, 4555098 + ... + 4555105.

Almost surely, 2^36440812 is an apocalyptic number.

It is an amenable number.

36440812 is a deficient number, since it is larger than the sum of its proper divisors (27330616).

36440812 is a wasteful number, since it uses less digits than its factorization.

36440812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9110207 (or 9110205 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 36440812 is about 6036.6225656405. The cubic root of 36440812 is about 331.5349733748.

It can be divided in two parts, 3 and 6440812, that multiplied together give a triangular number (19322436 = T₆₂₁₆).

The spelling of 36440812 in words is "thirty-six million, four hundred forty thousand, eight hundred twelve".