260709926400 has 1920 divisors, whose sum is σ = 1217292088320. Its totient is φ = 53084160000.

The previous prime is 260709926371. The next prime is 260709926401. The reversal of 260709926400 is 4629907062.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260709926401) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2581286350 + ... + 2581286450.

It is an arithmetic number, because the mean of its divisors is an integer number (634006296).

Almost surely, 2^260709926400 is an apocalyptic number.

260709926400 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 260709926400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608646044160).

260709926400 is an abundant number, since it is smaller than the sum of its proper divisors (956582161920).

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

260709926400 is a wasteful number, since it uses less digits than its factorization.

260709926400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 260709926400 in words is "two hundred sixty billion, seven hundred nine million, nine hundred twenty-six thousand, four hundred".