40887320 has 16 divisors (see below), whose sum is σ = 91996560. Its totient is φ = 16354912.

The previous prime is 40887313. The next prime is 40887323. The reversal of 40887320 is 2378804.

40887320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40887323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511052 + ... + 511131.

It is an arithmetic number, because the mean of its divisors is an integer number (5749785).

Almost surely, 2^40887320 is an apocalyptic number.

40887320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40887320 is an abundant number, since it is smaller than the sum of its proper divisors (51109240).

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

40887320 is a wasteful number, since it uses less digits than its factorization.

40887320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022194 (or 1022190 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 40887320 is about 6394.3193539266. The cubic root of 40887320 is about 344.5055438689.

The spelling of 40887320 in words is "forty million, eight hundred eighty-seven thousand, three hundred twenty".