42004240399 has 16 divisors (see below), whose sum is σ = 46168657920. Its totient is φ = 37898388000.

The previous prime is 42004240393. The next prime is 42004240403. The reversal of 42004240399 is 99304240024.

It is not a de Polignac number, because 42004240399 - 2³ = 42004240391 is a prime.

It is a super-2 number, since 2×42004240399² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42004240391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899569 + ... + 945109.

It is an arithmetic number, because the mean of its divisors is an integer number (2885541120).

Almost surely, 2^42004240399 is an apocalyptic number.

42004240399 is a deficient number, since it is larger than the sum of its proper divisors (4164417521).

42004240399 is a wasteful number, since it uses less digits than its factorization.

42004240399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46182.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 42004240399 in words is "forty-two billion, four million, two hundred forty thousand, three hundred ninety-nine".