42521320462 has 16 divisors (see below), whose sum is σ = 65771476992. Its totient is φ = 20606278680.

The previous prime is 42521320459. The next prime is 42521320463. The reversal of 42521320462 is 26402312524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42521320463) 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, 2186214 + ... + 2205577.

It is an arithmetic number, because the mean of its divisors is an integer number (4110717312).

Almost surely, 2^42521320462 is an apocalyptic number.

42521320462 is a deficient number, since it is larger than the sum of its proper divisors (23250156530).

42521320462 is a wasteful number, since it uses less digits than its factorization.

42521320462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391943.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 42521320462 its reverse (26402312524), we get a palindrome (68923632986).

The spelling of 42521320462 in words is "forty-two billion, five hundred twenty-one million, three hundred twenty thousand, four hundred sixty-two".