25335214320 has 160 divisors (see below), whose sum is σ = 87497524800. Its totient is φ = 6021292032.

The previous prime is 25335214319. The next prime is 25335214321. The reversal of 25335214320 is 2341253352.

It is an interprime number because it is at equal distance from previous prime (25335214319) and next prime (25335214321).

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 (25335214321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49525 + ... + 230484.

It is an arithmetic number, because the mean of its divisors is an integer number (546859530).

Almost surely, 2^25335214320 is an apocalyptic number.

25335214320 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 25335214320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43748762400).

25335214320 is an abundant number, since it is smaller than the sum of its proper divisors (62162310480).

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

25335214320 is a wasteful number, since it uses less digits than its factorization.

25335214320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280067 (or 280061 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 25335214320 its reverse (2341253352), we get a palindrome (27676467672).

The spelling of 25335214320 in words is "twenty-five billion, three hundred thirty-five million, two hundred fourteen thousand, three hundred twenty".