40880321 has 4 divisors (see below), whose sum is σ = 41877444. Its totient is φ = 39883200.

The previous prime is 40880311. The next prime is 40880353. The reversal of 40880321 is 12308804.

40880321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21520321 + 19360000 = 4639^2 + 4400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40880321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40880311) 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, 498500 + ... + 498581.

It is an arithmetic number, because the mean of its divisors is an integer number (10469361).

Almost surely, 2^40880321 is an apocalyptic number.

40880321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40880321 is a deficient number, since it is larger than the sum of its proper divisors (997123).

40880321 is an equidigital number, since it uses as much as digits as its factorization.

40880321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997122.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 40880321 is about 6393.7720478603. The cubic root of 40880321 is about 344.4858855176.

The spelling of 40880321 in words is "forty million, eight hundred eighty thousand, three hundred twenty-one".