42053680 has 20 divisors (see below), whose sum is σ = 97774992. Its totient is φ = 16821440.

The previous prime is 42053653. The next prime is 42053717. The reversal of 42053680 is 8635024.

It is a tau number, because it is divible by the number of its divisors (20).

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, 262756 + ... + 262915.

Almost surely, 2^42053680 is an apocalyptic number.

42053680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42053680 is an abundant number, since it is smaller than the sum of its proper divisors (55721312).

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

42053680 is a wasteful number, since it uses less digits than its factorization.

42053680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525684 (or 525678 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42053680 is about 6484.8808778574. The cubic root of 42053680 is about 347.7506912125.

The spelling of 42053680 in words is "forty-two million, fifty-three thousand, six hundred eighty".