42000422404025 has 24 divisors (see below), whose sum is σ = 54018558364800. Its totient is φ = 32356107201600.

The previous prime is 42000422404021. The next prime is 42000422404033. The reversal of 42000422404025 is 52040422400024.

It is not a de Polignac number, because 42000422404025 - 2² = 42000422404021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (42000422404021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76152161 + ... + 76701710.

It is an arithmetic number, because the mean of its divisors is an integer number (2250773265200).

Almost surely, 2^{42000422404025} is an apocalyptic number.

It is an amenable number.

42000422404025 is a deficient number, since it is larger than the sum of its proper divisors (12018135960775).

42000422404025 is a wasteful number, since it uses less digits than its factorization.

42000422404025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152854289 (or 152854284 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 42000422404025 its reverse (52040422400024), we get a palindrome (94040844804049).

The spelling of 42000422404025 in words is "forty-two trillion, four hundred twenty-two million, four hundred four thousand, twenty-five".