42880304691 has 48 divisors (see below), whose sum is σ = 74788560000. Its totient is φ = 24207752016.

The previous prime is 42880304689. The next prime is 42880304707. The reversal of 42880304691 is 19640308824.

It is a happy number.

42880304691 is a `hidden beast` number, since 4 + 288 + 0 + 304 + 69 + 1 = 666.

It is not a de Polignac number, because 42880304691 - 2¹ = 42880304689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42880304491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85441 + ... + 305058.

It is an arithmetic number, because the mean of its divisors is an integer number (1558095000).

Almost surely, 2^42880304691 is an apocalyptic number.

42880304691 is a deficient number, since it is larger than the sum of its proper divisors (31908255309).

42880304691 is a wasteful number, since it uses less digits than its factorization.

42880304691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390605 (or 390592 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 42880304691 in words is "forty-two billion, eight hundred eighty million, three hundred four thousand, six hundred ninety-one".