42451030 has 8 divisors (see below), whose sum is σ = 76411872. Its totient is φ = 16980408.

The previous prime is 42451021. The next prime is 42451051. The reversal of 42451030 is 3015424.

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

It is a junction number, because it is equal to n+sod(n) for n = 42450989 and 42451007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122542 + ... + 2122561.

It is an arithmetic number, because the mean of its divisors is an integer number (9551484).

Almost surely, 2^42451030 is an apocalyptic number.

42451030 is a deficient number, since it is larger than the sum of its proper divisors (33960842).

42451030 is a wasteful number, since it uses less digits than its factorization.

42451030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245110.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42451030 is about 6515.4454951292. The cubic root of 42451030 is about 348.8425164467.

Adding to 42451030 its reverse (3015424), we get a palindrome (45466454).

The spelling of 42451030 in words is "forty-two million, four hundred fifty-one thousand, thirty".