42004203947015 has 32 divisors (see below), whose sum is σ = 53693981913600. Its totient is φ = 31435312656384.

The previous prime is 42004203947003. The next prime is 42004203947029. The reversal of 42004203947015 is 51074930240024.

It is a cyclic number.

It is not a de Polignac number, because 42004203947015 - 2¹⁸ = 42004203684871 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7023242 + ... + 11547048.

It is an arithmetic number, because the mean of its divisors is an integer number (1677936934800).

Almost surely, 2^{42004203947015} is an apocalyptic number.

42004203947015 is a deficient number, since it is larger than the sum of its proper divisors (11689777966585).

42004203947015 is a wasteful number, since it uses less digits than its factorization.

42004203947015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524491.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 42004203947015 in words is "forty-two trillion, four billion, two hundred three million, nine hundred forty-seven thousand, fifteen".