42040315335515 has 16 divisors (see below), whose sum is σ = 57675055012032. Its totient is φ = 28817762097024.

The previous prime is 42040315335497. The next prime is 42040315335553. The reversal of 42040315335515 is 51553351304024.

It is a cyclic number.

It is not a de Polignac number, because 42040315335515 - 2¹⁴ = 42040315319131 is a prime.

It is a super-2 number, since 2×42040315335515² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

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, 205786124 + ... + 205990313.

It is an arithmetic number, because the mean of its divisors is an integer number (3604690938252).

Almost surely, 2^{42040315335515} is an apocalyptic number.

42040315335515 is a deficient number, since it is larger than the sum of its proper divisors (15634739676517).

42040315335515 is a wasteful number, since it uses less digits than its factorization.

42040315335515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411779366.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 42040315335515 its reverse (51553351304024), we get a palindrome (93593666639539).

The spelling of 42040315335515 in words is "forty-two trillion, forty billion, three hundred fifteen million, three hundred thirty-five thousand, five hundred fifteen".