25202260380 has 192 divisors, whose sum is σ = 78561842688. Its totient is φ = 5985239040.

The previous prime is 25202260367. The next prime is 25202260387. The reversal of 25202260380 is 8306220252.

It is a super-2 number, since 2×25202260380² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25202260387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8532984 + ... + 8535936.

It is an arithmetic number, because the mean of its divisors is an integer number (409176264).

Almost surely, 2^25202260380 is an apocalyptic number.

25202260380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25202260380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39280921344).

25202260380 is an abundant number, since it is smaller than the sum of its proper divisors (53359582308).

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

25202260380 is a wasteful number, since it uses less digits than its factorization.

25202260380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

It can be divided in two parts, 25202 and 260380, that added together give a palindrome (285582).

The spelling of 25202260380 in words is "twenty-five billion, two hundred two million, two hundred sixty thousand, three hundred eighty".