40533819 has 8 divisors (see below), whose sum is σ = 54092352. Its totient is φ = 26998920.

The previous prime is 40533809. The next prime is 40533841. The reversal of 40533819 is 91833504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40533819 - 2⁴ = 40533803 is a prime.

It is a super-2 number, since 2×40533819² = 3285980965449522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40533819.

It is not an unprimeable number, because it can be changed into a prime (40533809) by changing a digit.

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, 1417 + ... + 9114.

It is an arithmetic number, because the mean of its divisors is an integer number (6761544).

Almost surely, 2^40533819 is an apocalyptic number.

40533819 is a deficient number, since it is larger than the sum of its proper divisors (13558533).

40533819 is a wasteful number, since it uses less digits than its factorization.

40533819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 40533819 is about 6366.6175478035. The cubic root of 40533819 is about 343.5098340508.

The spelling of 40533819 in words is "forty million, five hundred thirty-three thousand, eight hundred nineteen".