42475548915 has 24 divisors (see below), whose sum is σ = 74299745520. Its totient is φ = 22445792064.

The previous prime is 42475548893. The next prime is 42475548919. The reversal of 42475548915 is 51984557424.

42475548915 is a `hidden beast` number, since 4 + 2 + 4 + 7 + 5 + 548 + 91 + 5 = 666.

It is not a de Polignac number, because 42475548915 - 2¹² = 42475544819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42475548919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4324917 + ... + 4334726.

It is an arithmetic number, because the mean of its divisors is an integer number (3095822730).

Almost surely, 2^42475548915 is an apocalyptic number.

42475548915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42475548915 is a deficient number, since it is larger than the sum of its proper divisors (31824196605).

42475548915 is a wasteful number, since it uses less digits than its factorization.

42475548915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8659763 (or 8659760 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 42475548915 in words is "forty-two billion, four hundred seventy-five million, five hundred forty-eight thousand, nine hundred fifteen".