42027660 has 60 divisors (see below), whose sum is σ = 131847408. Its totient is φ = 11206944.

The previous prime is 42027653. The next prime is 42027673. The reversal of 42027660 is 6672024.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11352 + ... + 14591.

Almost surely, 2^42027660 is an apocalyptic number.

It is an amenable number.

42027660 is an abundant number, since it is smaller than the sum of its proper divisors (89819748).

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

42027660 is a wasteful number, since it uses less digits than its factorization.

42027660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25964 (or 25953 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 42027660 is about 6482.8743625031. The cubic root of 42027660 is about 347.6789548047.

Adding to 42027660 its reverse (6672024), we get a palindrome (48699684).

The spelling of 42027660 in words is "forty-two million, twenty-seven thousand, six hundred sixty".