25004027442 has 16 divisors (see below), whose sum is σ = 50009862240. Its totient is φ = 8334374592.

The previous prime is 25004027437. The next prime is 25004027443. The reversal of 25004027442 is 24472040052.

It is not an unprimeable number, because it can be changed into a prime (25004027443) 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, 162133 + ... + 276215.

It is an arithmetic number, because the mean of its divisors is an integer number (3125616390).

Almost surely, 2^25004027442 is an apocalyptic number.

25004027442 is an abundant number, since it is smaller than the sum of its proper divisors (25005834798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25004027442 is a wasteful number, since it uses less digits than its factorization.

25004027442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150617.

The product of its (nonzero) digits is 17920, while the sum is 30.

Adding to 25004027442 its reverse (24472040052), we get a palindrome (49476067494).

The spelling of 25004027442 in words is "twenty-five billion, four million, twenty-seven thousand, four hundred forty-two".