42420545315 has 16 divisors (see below), whose sum is σ = 53929877760. Its totient is φ = 31921904640.

The previous prime is 42420545311. The next prime is 42420545341. The reversal of 42420545315 is 51354502424.

It is not a de Polignac number, because 42420545315 - 2² = 42420545311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42420545311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7655 + ... + 291375.

It is an arithmetic number, because the mean of its divisors is an integer number (3370617360).

Almost surely, 2^42420545315 is an apocalyptic number.

42420545315 is a deficient number, since it is larger than the sum of its proper divisors (11509332445).

42420545315 is a wasteful number, since it uses less digits than its factorization.

42420545315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285502.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 42420545315 in words is "forty-two billion, four hundred twenty million, five hundred forty-five thousand, three hundred fifteen".