40890339 has 32 divisors (see below), whose sum is σ = 70113280. Its totient is φ = 23357160.

The previous prime is 40890257. The next prime is 40890341. The reversal of 40890339 is 93309804.

It is not a de Polignac number, because 40890339 - 2⁷ = 40890211 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (40890349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13974 + ... + 16644.

It is an arithmetic number, because the mean of its divisors is an integer number (2191040).

Almost surely, 2^40890339 is an apocalyptic number.

40890339 is a deficient number, since it is larger than the sum of its proper divisors (29222941).

40890339 is an frugal number, since it uses more digits than its factorization.

40890339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699 (or 2681 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 40890339 is about 6394.5554184791. Note that the first 3 decimals coincide. The cubic root of 40890339 is about 344.5140227538.

The spelling of 40890339 in words is "forty million, eight hundred ninety thousand, three hundred thirty-nine".