40533028 has 12 divisors (see below), whose sum is σ = 71029980. Its totient is φ = 20238752.

The previous prime is 40533013. The next prime is 40533037. The reversal of 40533028 is 82033504.

It can be written as a sum of positive squares in 2 ways, for example, as 8020224 + 32512804 = 2832^2 + 5702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40532993 and 40533011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3463 + ... + 9646.

It is an arithmetic number, because the mean of its divisors is an integer number (5919165).

Almost surely, 2^40533028 is an apocalyptic number.

It is an amenable number.

40533028 is a deficient number, since it is larger than the sum of its proper divisors (30496952).

40533028 is a wasteful number, since it uses less digits than its factorization.

40533028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13886 (or 13884 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40533028 is about 6366.5554266024. Note that the first 3 decimals coincide. The cubic root of 40533028 is about 343.5075995542.

It can be divided in two parts, 405 and 33028, that added together give a palindrome (33433).

The spelling of 40533028 in words is "forty million, five hundred thirty-three thousand, twenty-eight".