42400589 has 8 divisors (see below), whose sum is σ = 52863168. Its totient is φ = 33039360.

The previous prime is 42400577. The next prime is 42400607. The reversal of 42400589 is 98500424.

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 42400589 - 2⁴ = 42400573 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 (42400549) 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, 275252 + ... + 275405.

It is an arithmetic number, because the mean of its divisors is an integer number (6607896).

Almost surely, 2^42400589 is an apocalyptic number.

It is an amenable number.

42400589 is a deficient number, since it is larger than the sum of its proper divisors (10462579).

42400589 is a wasteful number, since it uses less digits than its factorization.

42400589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550675.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 42400589 is about 6511.5734657608. The cubic root of 42400589 is about 348.7042949144.

The spelling of 42400589 in words is "forty-two million, four hundred thousand, five hundred eighty-nine".