40859489 has 8 divisors (see below), whose sum is σ = 45112032. Its totient is φ = 36696640.

The previous prime is 40859473. The next prime is 40859513. The reversal of 40859489 is 98495804.

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

It is a cyclic number.

It is not a de Polignac number, because 40859489 - 2⁴ = 40859473 is a prime.

It is a super-2 number, since 2×40859489² = 3338995682682242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40859419) 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, 21464 + ... + 23289.

It is an arithmetic number, because the mean of its divisors is an integer number (5639004).

Almost surely, 2^40859489 is an apocalyptic number.

It is an amenable number.

40859489 is a deficient number, since it is larger than the sum of its proper divisors (4252543).

40859489 is a wasteful number, since it uses less digits than its factorization.

40859489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44847.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 40859489 is about 6392.1427549766. The cubic root of 40859489 is about 344.4273606241.

The spelling of 40859489 in words is "forty million, eight hundred fifty-nine thousand, four hundred eighty-nine".