42480389 has 8 divisors (see below), whose sum is σ = 50223360. Its totient is φ = 35156016.

The previous prime is 42480353. The next prime is 42480397. The reversal of 42480389 is 98308424.

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

It is not a de Polignac number, because 42480389 - 2⁸ = 42480133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42480089) 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, 104429 + ... + 104834.

It is an arithmetic number, because the mean of its divisors is an integer number (6277920).

Almost surely, 2^42480389 is an apocalyptic number.

It is an amenable number.

42480389 is a deficient number, since it is larger than the sum of its proper divisors (7742971).

42480389 is a wasteful number, since it uses less digits than its factorization.

42480389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209299.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 42480389 is about 6517.6981366123. The cubic root of 42480389 is about 348.9229173802.

The spelling of 42480389 in words is "forty-two million, four hundred eighty thousand, three hundred eighty-nine".