42402647045 has 16 divisors (see below), whose sum is σ = 55517410368. Its totient is φ = 30833571840.

The previous prime is 42402647039. The next prime is 42402647071. The reversal of 42402647045 is 54074620424.

It is not a de Polignac number, because 42402647045 - 2⁴ = 42402647029 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 326597 + ... + 437573.

It is an arithmetic number, because the mean of its divisors is an integer number (3469838148).

Almost surely, 2^42402647045 is an apocalyptic number.

It is an amenable number.

42402647045 is a deficient number, since it is larger than the sum of its proper divisors (13114763323).

42402647045 is a wasteful number, since it uses less digits than its factorization.

42402647045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117940.

The product of its (nonzero) digits is 215040, while the sum is 38.

The spelling of 42402647045 in words is "forty-two billion, four hundred two million, six hundred forty-seven thousand, forty-five".