42444025525 has 48 divisors (see below), whose sum is σ = 59157463680. Its totient is φ = 29937081600.

The previous prime is 42444025493. The next prime is 42444025541. The reversal of 42444025525 is 52552044424.

It is not a de Polignac number, because 42444025525 - 2⁵ = 42444025493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3218896 + ... + 3232054.

It is an arithmetic number, because the mean of its divisors is an integer number (1232447160).

Almost surely, 2^42444025525 is an apocalyptic number.

It is an amenable number.

42444025525 is a deficient number, since it is larger than the sum of its proper divisors (16713438155).

42444025525 is a wasteful number, since it uses less digits than its factorization.

42444025525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534 (or 13529 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 42444025525 its reverse (52552044424), we get a palindrome (94996069949).

The spelling of 42444025525 in words is "forty-two billion, four hundred forty-four million, twenty-five thousand, five hundred twenty-five".