40533480 has 128 divisors (see below), whose sum is σ = 145555200. Its totient is φ = 9974016.

The previous prime is 40533473. The next prime is 40533509. The reversal of 40533480 is 8433504.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12597 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (1137150).

Almost surely, 2^40533480 is an apocalyptic number.

40533480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40533480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72777600).

40533480 is an abundant number, since it is smaller than the sum of its proper divisors (105021720).

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

40533480 is a wasteful number, since it uses less digits than its factorization.

40533480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 40533480 is about 6366.5909245058. The cubic root of 40533480 is about 343.5088764129.

Adding to 40533480 its reverse (8433504), we get a palindrome (48966984).

The spelling of 40533480 in words is "forty million, five hundred thirty-three thousand, four hundred eighty".