40386336 has 24 divisors (see below), whose sum is σ = 106014384. Its totient is φ = 13462080.

The previous prime is 40386329. The next prime is 40386337. The reversal of 40386336 is 63368304.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×40386336² = 3262112271009792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40386297 and 40386306.

It is not an unprimeable number, because it can be changed into a prime (40386337) 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 in 3 ways as a sum of consecutive naturals, for example, 210250 + ... + 210441.

It is an arithmetic number, because the mean of its divisors is an integer number (4417266).

Almost surely, 2^40386336 is an apocalyptic number.

It is an amenable number.

40386336 is an abundant number, since it is smaller than the sum of its proper divisors (65628048).

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

40386336 is a wasteful number, since it uses less digits than its factorization.

40386336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420704 (or 420696 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 40386336 is about 6355.0244688750. The cubic root of 40386336 is about 343.0927055780.

The spelling of 40386336 in words is "forty million, three hundred eighty-six thousand, three hundred thirty-six".