42165563240 has 16 divisors (see below), whose sum is σ = 94872517380. Its totient is φ = 16866225280.

The previous prime is 42165563239. The next prime is 42165563273. The reversal of 42165563240 is 4236556124.

42165563240 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 41958606244 + 206956996 = 204838^2 + 14386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42165563194 and 42165563203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527069501 + ... + 527069580.

Almost surely, 2^42165563240 is an apocalyptic number.

42165563240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42165563240 is an abundant number, since it is smaller than the sum of its proper divisors (52706954140).

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

42165563240 is a wasteful number, since it uses less digits than its factorization.

42165563240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054139092 (or 1054139088 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 42165563240 in words is "forty-two billion, one hundred sixty-five million, five hundred sixty-three thousand, two hundred forty".