40989417 has 16 divisors (see below), whose sum is σ = 62570880. Its totient is φ = 23380992.

The previous prime is 40989401. The next prime is 40989439. The reversal of 40989417 is 71498904.

It is not a de Polignac number, because 40989417 - 2⁴ = 40989401 is a prime.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (40989497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13513 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (3910680).

Almost surely, 2^40989417 is an apocalyptic number.

It is an amenable number.

40989417 is a deficient number, since it is larger than the sum of its proper divisors (21581463).

40989417 is a wasteful number, since it uses less digits than its factorization.

40989417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 40989417 is about 6402.2977906374. The cubic root of 40989417 is about 344.7920527998.

The spelling of 40989417 in words is "forty million, nine hundred eighty-nine thousand, four hundred seventeen".