42415789 has 12 divisors (see below), whose sum is σ = 46116000. Its totient is φ = 38994384.

The previous prime is 42415753. The next prime is 42415837. The reversal of 42415789 is 98751424.

It is not a de Polignac number, because 42415789 - 2¹⁹ = 41891501 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 (42415589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70512 + ... + 71110.

It is an arithmetic number, because the mean of its divisors is an integer number (3843000).

Almost surely, 2^42415789 is an apocalyptic number.

It is an amenable number.

42415789 is a deficient number, since it is larger than the sum of its proper divisors (3700211).

42415789 is a wasteful number, since it uses less digits than its factorization.

42415789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1031 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 42415789 is about 6512.7405137929. The cubic root of 42415789 is about 348.7459584241.

The spelling of 42415789 in words is "forty-two million, four hundred fifteen thousand, seven hundred eighty-nine".