25422002040244 has 24 divisors (see below), whose sum is σ = 45529002288000. Its totient is φ = 12417000593760.

The previous prime is 25422002040161. The next prime is 25422002040247. The reversal of 25422002040244 is 44204020022452.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25422002040247) 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, 410584144 + ... + 410646055.

It is an arithmetic number, because the mean of its divisors is an integer number (1897041762000).

Almost surely, 2^{25422002040244} is an apocalyptic number.

It is an amenable number.

25422002040244 is a deficient number, since it is larger than the sum of its proper divisors (20107000247756).

25422002040244 is a wasteful number, since it uses less digits than its factorization.

25422002040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821230383 (or 821230381 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

Adding to 25422002040244 its reverse (44204020022452), we get a palindrome (69626022062696).

The spelling of 25422002040244 in words is "twenty-five trillion, four hundred twenty-two billion, two million, forty thousand, two hundred forty-four".