42880479 has 8 divisors (see below), whose sum is σ = 57424560. Its totient is φ = 28461696.

The previous prime is 42880463. The next prime is 42880493. The reversal of 42880479 is 97408824.

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

It is not a de Polignac number, because 42880479 - 2⁴ = 42880463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42880479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42880679) 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, 30522 + ... + 31895.

It is an arithmetic number, because the mean of its divisors is an integer number (7178070).

Almost surely, 2^42880479 is an apocalyptic number.

42880479 is a deficient number, since it is larger than the sum of its proper divisors (14544081).

42880479 is a wasteful number, since it uses less digits than its factorization.

42880479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62649.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 42880479 is about 6548.3187918732. The cubic root of 42880479 is about 350.0149082085.

It can be divided in two parts, 4288047 and 9, that added together give a triangular number (4288056 = T₂₉₂₈).

The spelling of 42880479 in words is "forty-two million, eight hundred eighty thousand, four hundred seventy-nine".