42404015542 has 16 divisors (see below), whose sum is σ = 72707761152. Its totient is φ = 18169358760.

The previous prime is 42404015497. The next prime is 42404015543. The reversal of 42404015542 is 24551040424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404015543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245848 + ... + 381115.

It is an arithmetic number, because the mean of its divisors is an integer number (4544235072).

Almost surely, 2^42404015542 is an apocalyptic number.

42404015542 is a deficient number, since it is larger than the sum of its proper divisors (30303745610).

42404015542 is a wasteful number, since it uses less digits than its factorization.

42404015542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631803.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 42404015542 its reverse (24551040424), we get a palindrome (66955055966).

The spelling of 42404015542 in words is "forty-two billion, four hundred four million, fifteen thousand, five hundred forty-two".