42415529247 has 72 divisors (see below), whose sum is σ = 75968740224. Its totient is φ = 22329058752.

The previous prime is 42415529239. The next prime is 42415529269. The reversal of 42415529247 is 74292551424.

42415529247 is a `hidden beast` number, since 4 + 2 + 4 + 1 + 552 + 92 + 4 + 7 = 666.

42415529247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42415529247 - 2³ = 42415529239 is a prime.

It is a super-2 number, since 2×42415529247² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42415529047) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5820268 + ... + 5827550.

It is an arithmetic number, because the mean of its divisors is an integer number (1055121392).

Almost surely, 2^42415529247 is an apocalyptic number.

42415529247 is a deficient number, since it is larger than the sum of its proper divisors (33553210977).

42415529247 is a wasteful number, since it uses less digits than its factorization.

42415529247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869 (or 7853 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 42415529247 in words is "forty-two billion, four hundred fifteen million, five hundred twenty-nine thousand, two hundred forty-seven".