42398820471 has 96 divisors (see below), whose sum is σ = 71814048768. Its totient is φ = 21719301120.

The previous prime is 42398820427. The next prime is 42398820481. The reversal of 42398820471 is 17402889324.

It is not a de Polignac number, because 42398820471 - 2⁹ = 42398819959 is a prime.

It is a super-3 number, since 3×42398820471³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42398820471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42398820481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87060990 + ... + 87061476.

It is an arithmetic number, because the mean of its divisors is an integer number (748063008).

Almost surely, 2^42398820471 is an apocalyptic number.

42398820471 is a deficient number, since it is larger than the sum of its proper divisors (29415228297).

42398820471 is a wasteful number, since it uses less digits than its factorization.

42398820471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 42398820471 in words is "forty-two billion, three hundred ninety-eight million, eight hundred twenty thousand, four hundred seventy-one".