42880616 has 8 divisors (see below), whose sum is σ = 80401170. Its totient is φ = 21440304.

The previous prime is 42880609. The next prime is 42880627. The reversal of 42880616 is 61608824.

It can be written as a sum of positive squares in only one way, i.e., 39062500 + 3818116 = 6250^2 + 1954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2680031 + ... + 2680046.

Almost surely, 2^42880616 is an apocalyptic number.

It is an amenable number.

42880616 is a deficient number, since it is larger than the sum of its proper divisors (37520554).

42880616 is a wasteful number, since it uses less digits than its factorization.

42880616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360083 (or 5360079 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 42880616 is about 6548.3292525651. The cubic root of 42880616 is about 350.0152809655.

The spelling of 42880616 in words is "forty-two million, eight hundred eighty thousand, six hundred sixteen".