40755533 has 24 divisors (see below), whose sum is σ = 51579648. Its totient is φ = 31516992.

The previous prime is 40755521. The next prime is 40755553. The reversal of 40755533 is 33555704.

It is not a de Polignac number, because 40755533 - 2¹² = 40751437 is a prime.

It is a super-2 number, since 2×40755533² = 3322026940228178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40755533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40755553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55235 + ... + 55967.

It is an arithmetic number, because the mean of its divisors is an integer number (2149152).

Almost surely, 2^40755533 is an apocalyptic number.

It is an amenable number.

40755533 is a deficient number, since it is larger than the sum of its proper divisors (10824115).

40755533 is a wasteful number, since it uses less digits than its factorization.

40755533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 800 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 40755533 is about 6384.0060306989. The cubic root of 40755533 is about 344.1350115663.

The spelling of 40755533 in words is "forty million, seven hundred fifty-five thousand, five hundred thirty-three".