2025420404 has 48 divisors (see below), whose sum is σ = 4177434240. Its totient is φ = 841104000.

The previous prime is 2025420401. The next prime is 2025420427. The reversal of 2025420404 is 4040245202.

It is a self number, because there is not a number n which added to its sum of digits gives 2025420404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025420401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256142 + ... + 263930.

It is an arithmetic number, because the mean of its divisors is an integer number (87029880).

Almost surely, 2^2025420404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025420404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088717120).

2025420404 is an abundant number, since it is smaller than the sum of its proper divisors (2152013836).

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

2025420404 is a wasteful number, since it uses less digits than its factorization.

2025420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088 (or 8086 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 2025420404 is about 45004.6709131397. The cubic root of 2025420404 is about 1265.2365431208.

Adding to 2025420404 its reverse (4040245202), we get a palindrome (6065665606).

The spelling of 2025420404 in words is "two billion, twenty-five million, four hundred twenty thousand, four hundred four".