40321480 has 16 divisors (see below), whose sum is σ = 90723420. Its totient is φ = 16128576.

The previous prime is 40321459. The next prime is 40321481. The reversal of 40321480 is 8412304.

It can be written as a sum of positive squares in 2 ways, for example, as 37478884 + 2842596 = 6122^2 + 1686^2 .

It is not an unprimeable number, because it can be changed into a prime (40321481) 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 3 ways as a sum of consecutive naturals, for example, 503979 + ... + 504058.

Almost surely, 2^40321480 is an apocalyptic number.

40321480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40321480 is an abundant number, since it is smaller than the sum of its proper divisors (50401940).

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

40321480 is a wasteful number, since it uses less digits than its factorization.

40321480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008048 (or 1008044 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40321480 is about 6349.9196845315. The cubic root of 40321480 is about 342.9089508351.

Adding to 40321480 its reverse (8412304), we get a palindrome (48733784).

The spelling of 40321480 in words is "forty million, three hundred twenty-one thousand, four hundred eighty".