25722016320 has 1344 divisors, whose sum is σ = 115662090240. Its totient is φ = 4696473600.

The previous prime is 25722016211. The next prime is 25722016357. The reversal of 25722016320 is 2361022752.

It is a tau number, because it is divible by the number of its divisors (1344).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 362281885 + ... + 362281955.

Almost surely, 2^25722016320 is an apocalyptic number.

25722016320 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 25722016320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57831045120).

25722016320 is an abundant number, since it is smaller than the sum of its proper divisors (89940073920).

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

25722016320 is a wasteful number, since it uses less digits than its factorization.

25722016320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 25722016320 in words is "twenty-five billion, seven hundred twenty-two million, sixteen thousand, three hundred twenty".