40533500 has 96 divisors (see below), whose sum is σ = 104237952. Its totient is φ = 13478400.

The previous prime is 40533473. The next prime is 40533509. The reversal of 40533500 is 533504.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40533509) 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 31 ways as a sum of consecutive naturals, for example, 129344 + ... + 129656.

It is an arithmetic number, because the mean of its divisors is an integer number (1085812).

Almost surely, 2^40533500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40533500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52118976).

40533500 is an abundant number, since it is smaller than the sum of its proper divisors (63704452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40533500 is a wasteful number, since it uses less digits than its factorization.

40533500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 40533500 is about 6366.5924952050. The cubic root of 40533500 is about 343.5089329109.

The spelling of 40533500 in words is "forty million, five hundred thirty-three thousand, five hundred".