42382402 has 4 divisors (see below), whose sum is σ = 63573606. Its totient is φ = 21191200.

The previous prime is 42382393. The next prime is 42382409. The reversal of 42382402 is 20428324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35772361 + 6610041 = 5981^2 + 2571^2 .

It is not an unprimeable number, because it can be changed into a prime (42382409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10595599 + ... + 10595602.

Almost surely, 2^42382402 is an apocalyptic number.

42382402 is a deficient number, since it is larger than the sum of its proper divisors (21191204).

42382402 is a wasteful number, since it uses less digits than its factorization.

42382402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191203.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 42382402 is about 6510.1768025147. The cubic root of 42382402 is about 348.6544308903.

The spelling of 42382402 in words is "forty-two million, three hundred eighty-two thousand, four hundred two".