42651384 has 32 divisors (see below), whose sum is σ = 111265920. Its totient is φ = 13598816.

The previous prime is 42651341. The next prime is 42651397. The reversal of 42651384 is 48315624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38082 + ... + 39185.

It is an arithmetic number, because the mean of its divisors is an integer number (3477060).

Almost surely, 2^42651384 is an apocalyptic number.

It is an amenable number.

42651384 is an abundant number, since it is smaller than the sum of its proper divisors (68614536).

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

42651384 is a wasteful number, since it uses less digits than its factorization.

42651384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77299 (or 77295 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 42651384 is about 6530.8027071716. The cubic root of 42651384 is about 349.3904601652.

The spelling of 42651384 in words is "forty-two million, six hundred fifty-one thousand, three hundred eighty-four".