42010421224 has 8 divisors (see below), whose sum is σ = 78769539810. Its totient is φ = 21005210608.

The previous prime is 42010421191. The next prime is 42010421231. The reversal of 42010421224 is 42212401024.

It can be written as a sum of positive squares in only one way, i.e., 37178781124 + 4831640100 = 192818^2 + 69510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42010421195 and 42010421204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625651319 + ... + 2625651334.

Almost surely, 2^42010421224 is an apocalyptic number.

It is an amenable number.

42010421224 is a deficient number, since it is larger than the sum of its proper divisors (36759118586).

42010421224 is a wasteful number, since it uses less digits than its factorization.

42010421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251302659 (or 5251302655 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 42010421224 its reverse (42212401024), we get a palindrome (84222822248).

The spelling of 42010421224 in words is "forty-two billion, ten million, four hundred twenty-one thousand, two hundred twenty-four".