42653660 has 48 divisors (see below), whose sum is σ = 102950400. Its totient is φ = 14541120.

The previous prime is 42653641. The next prime is 42653671. The reversal of 42653660 is 6635624.

It is a super-2 number, since 2×42653660² = 3638669422791200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27095 + ... + 28625.

It is an arithmetic number, because the mean of its divisors is an integer number (2144800).

Almost surely, 2^42653660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42653660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51475200).

42653660 is an abundant number, since it is smaller than the sum of its proper divisors (60296740).

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

42653660 is a wasteful number, since it uses less digits than its factorization.

42653660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1744 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 42653660 is about 6530.9769560151. The cubic root of 42653660 is about 349.3966748799.

The spelling of 42653660 in words is "forty-two million, six hundred fifty-three thousand, six hundred sixty".