40671320 has 16 divisors (see below), whose sum is σ = 91510560. Its totient is φ = 16268512.

The previous prime is 40671283. The next prime is 40671329. The reversal of 40671320 is 2317604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40671329) 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, 508352 + ... + 508431.

It is an arithmetic number, because the mean of its divisors is an integer number (5719410).

Almost surely, 2^40671320 is an apocalyptic number.

40671320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40671320 is an abundant number, since it is smaller than the sum of its proper divisors (50839240).

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

40671320 is a wasteful number, since it uses less digits than its factorization.

40671320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016794 (or 1016790 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 40671320 is about 6377.4069965778. The cubic root of 40671320 is about 343.8978198412.

Adding to 40671320 its reverse (2317604), we get a palindrome (42988924).

The spelling of 40671320 in words is "forty million, six hundred seventy-one thousand, three hundred twenty".