40859189 has 16 divisors (see below), whose sum is σ = 48048000. Its totient is φ = 34729632.

The previous prime is 40859183. The next prime is 40859191. The reversal of 40859189 is 98195804.

It is not a de Polignac number, because 40859189 - 2¹² = 40855093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40859183) 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, 47249 + ... + 48105.

It is an arithmetic number, because the mean of its divisors is an integer number (3003000).

Almost surely, 2^40859189 is an apocalyptic number.

40859189 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

40859189 is a deficient number, since it is larger than the sum of its proper divisors (7188811).

40859189 is an equidigital number, since it uses as much as digits as its factorization.

40859189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 40859189 is about 6392.1192886241. The cubic root of 40859189 is about 344.4265176665.

The spelling of 40859189 in words is "forty million, eight hundred fifty-nine thousand, one hundred eighty-nine".