40533645 has 8 divisors (see below), whose sum is σ = 64853856. Its totient is φ = 21617936.

The previous prime is 40533643. The next prime is 40533653. The reversal of 40533645 is 54633504.

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

It is a cyclic number.

It is not a de Polignac number, because 40533645 - 2¹ = 40533643 is a prime.

It is a super-3 number, since 3×40533645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40533643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351107 + ... + 1351136.

It is an arithmetic number, because the mean of its divisors is an integer number (8106732).

Almost surely, 2^40533645 is an apocalyptic number.

It is an amenable number.

40533645 is a deficient number, since it is larger than the sum of its proper divisors (24320211).

40533645 is a wasteful number, since it uses less digits than its factorization.

40533645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702251.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 40533645 is about 6366.6038827620. The cubic root of 40533645 is about 343.5093425205.

The spelling of 40533645 in words is "forty million, five hundred thirty-three thousand, six hundred forty-five".