42516648 has 48 divisors (see below), whose sum is σ = 115627200. Its totient is φ = 14113440.

The previous prime is 42516641. The next prime is 42516671. The reversal of 42516648 is 84661524.

42516648 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 6 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42516641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18423 + ... + 20601.

It is an arithmetic number, because the mean of its divisors is an integer number (2408900).

Almost surely, 2^42516648 is an apocalyptic number.

It is an amenable number.

42516648 is an abundant number, since it is smaller than the sum of its proper divisors (73110552).

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

42516648 is a wasteful number, since it uses less digits than its factorization.

42516648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462 (or 2455 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 42516648 is about 6520.4791235001. The cubic root of 42516648 is about 349.0221631615.

The spelling of 42516648 in words is "forty-two million, five hundred sixteen thousand, six hundred forty-eight".