42253020445 has 16 divisors (see below), whose sum is σ = 53568034560. Its totient is φ = 31942410304.

The previous prime is 42253020421. The next prime is 42253020457. The reversal of 42253020445 is 54402035224.

It is a cyclic number.

It is not a de Polignac number, because 42253020445 - 2³¹ = 40105536797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3093187 + ... + 3106816.

It is an arithmetic number, because the mean of its divisors is an integer number (3348002160).

Almost surely, 2^42253020445 is an apocalyptic number.

It is an amenable number.

42253020445 is a deficient number, since it is larger than the sum of its proper divisors (11315014115).

42253020445 is a wasteful number, since it uses less digits than its factorization.

42253020445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200084.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 42253020445 its reverse (54402035224), we get a palindrome (96655055669).

The spelling of 42253020445 in words is "forty-two billion, two hundred fifty-three million, twenty thousand, four hundred forty-five".