42574521546 has 24 divisors (see below), whose sum is σ = 92249560260. Its totient is φ = 14190774336.

The previous prime is 42574521469. The next prime is 42574521559. The reversal of 42574521546 is 64512547524.

42574521546 is a `hidden beast` number, since 4 + 2 + 5 + 74 + 521 + 54 + 6 = 666.

42574521546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41622120225 + 952401321 = 204015^2 + 30861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385390 + ... + 483398.

Almost surely, 2^42574521546 is an apocalyptic number.

42574521546 is an abundant number, since it is smaller than the sum of its proper divisors (49675038714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42574521546 is a wasteful number, since it uses less digits than its factorization.

42574521546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122150 (or 122147 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The spelling of 42574521546 in words is "forty-two billion, five hundred seventy-four million, five hundred twenty-one thousand, five hundred forty-six".