40512533 has 8 divisors (see below), whose sum is σ = 41212800. Its totient is φ = 39817888.

The previous prime is 40512517. The next prime is 40512539. The reversal of 40512533 is 33521504.

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

It is not a de Polignac number, because 40512533 - 2⁴ = 40512517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40512499 and 40512508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40512539) 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 7 ways as a sum of consecutive naturals, for example, 14660 + ... + 17202.

It is an arithmetic number, because the mean of its divisors is an integer number (5151600).

Almost surely, 2^40512533 is an apocalyptic number.

It is an amenable number.

40512533 is a deficient number, since it is larger than the sum of its proper divisors (700267).

40512533 is a wasteful number, since it uses less digits than its factorization.

40512533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40512533 is about 6364.9456399878. The cubic root of 40512533 is about 343.4496930721.

The spelling of 40512533 in words is "forty million, five hundred twelve thousand, five hundred thirty-three".