42421555220315 has 16 divisors (see below), whose sum is σ = 53903343624480. Its totient is φ = 31939149242880.

The previous prime is 42421555220251. The next prime is 42421555220323. The reversal of 42421555220315 is 51302255512424.

It is not a de Polignac number, because 42421555220315 - 2⁶ = 42421555220251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12426980 + ... + 15468449.

It is an arithmetic number, because the mean of its divisors is an integer number (3368958976530).

Almost surely, 2^{42421555220315} is an apocalyptic number.

42421555220315 is a deficient number, since it is larger than the sum of its proper divisors (11481788404165).

42421555220315 is a wasteful number, since it uses less digits than its factorization.

42421555220315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27913342.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 42421555220315 in words is "forty-two trillion, four hundred twenty-one billion, five hundred fifty-five million, two hundred twenty thousand, three hundred fifteen".