40980989 has 8 divisors (see below), whose sum is σ = 46910400. Its totient is φ = 35070336.

The previous prime is 40980949. The next prime is 40981007. The reversal of 40980989 is 98908904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40980989 - 2¹⁶ = 40915453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40980949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362 + ... + 9060.

It is an arithmetic number, because the mean of its divisors is an integer number (5863800).

Almost surely, 2^40980989 is an apocalyptic number.

It is an amenable number.

40980989 is a deficient number, since it is larger than the sum of its proper divisors (5929411).

40980989 is an equidigital number, since it uses as much as digits as its factorization.

40980989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 40980989 is about 6401.6395556139. The cubic root of 40980989 is about 344.7684198166.

The spelling of 40980989 in words is "forty million, nine hundred eighty thousand, nine hundred eighty-nine".