42400054013515 has 16 divisors (see below), whose sum is σ = 58426868689920. Its totient is φ = 29213434343520.

The previous prime is 42400054013467. The next prime is 42400054013599. The reversal of 42400054013515 is 51531045000424.

It is not a de Polignac number, because 42400054013515 - 2¹⁷ = 42400053882443 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 20287106139 + ... + 20287108228.

It is an arithmetic number, because the mean of its divisors is an integer number (3651679293120).

Almost surely, 2^{42400054013515} is an apocalyptic number.

42400054013515 is a deficient number, since it is larger than the sum of its proper divisors (16026814676405).

42400054013515 is a wasteful number, since it uses less digits than its factorization.

42400054013515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40574214402.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 42400054013515 its reverse (51531045000424), we get a palindrome (93931099013939).

The spelling of 42400054013515 in words is "forty-two trillion, four hundred billion, fifty-four million, thirteen thousand, five hundred fifteen".