42180302 has 8 divisors (see below), whose sum is σ = 63533712. Its totient is φ = 21002400.

The previous prime is 42180289. The next prime is 42180317. The reversal of 42180302 is 20308124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42180302² = 3558355753622408, which contains 22 as substring.

It is a congruent number.

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, 43274 + ... + 44237.

It is an arithmetic number, because the mean of its divisors is an integer number (7941714).

Almost surely, 2^42180302 is an apocalyptic number.

42180302 is a deficient number, since it is larger than the sum of its proper divisors (21353410).

42180302 is a wasteful number, since it uses less digits than its factorization.

42180302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87754.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 42180302 is about 6494.6364024478. The cubic root of 42180302 is about 348.0993627836.

Adding to 42180302 its reverse (20308124), we get a palindrome (62488426).

The spelling of 42180302 in words is "forty-two million, one hundred eighty thousand, three hundred two".