42402384 has 30 divisors (see below), whose sum is σ = 118668186. Its totient is φ = 14134080.

The previous prime is 42402377. The next prime is 42402419. The reversal of 42402384 is 48320424.

It is a happy number.

42402384 is a `hidden beast` number, since 424 + 0 + 238 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 15776784 = 5160^2 + 3972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147087 + ... + 147374.

Almost surely, 2^42402384 is an apocalyptic number.

It is an amenable number.

42402384 is an abundant number, since it is smaller than the sum of its proper divisors (76265802).

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

42402384 is a wasteful number, since it uses less digits than its factorization.

42402384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294475 (or 294466 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 42402384 is about 6511.7112958116. The cubic root of 42402384 is about 348.7092155644.

The spelling of 42402384 in words is "forty-two million, four hundred two thousand, three hundred eighty-four".