42451604215 has 8 divisors (see below), whose sum is σ = 51025852800. Its totient is φ = 33905331552.

The previous prime is 42451604171. The next prime is 42451604263. The reversal of 42451604215 is 51240615424.

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

It is a cyclic number.

It is not a de Polignac number, because 42451604215 - 2¹⁹ = 42451079927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6990640 + ... + 6996709.

It is an arithmetic number, because the mean of its divisors is an integer number (6378231600).

Almost surely, 2^42451604215 is an apocalyptic number.

42451604215 is a deficient number, since it is larger than the sum of its proper divisors (8574248585).

42451604215 is a wasteful number, since it uses less digits than its factorization.

42451604215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13987961.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 42451604215 in words is "forty-two billion, four hundred fifty-one million, six hundred four thousand, two hundred fifteen".