255125244540 has 96 divisors (see below), whose sum is σ = 732525244416. Its totient is φ = 66305896960.

The previous prime is 255125244497. The next prime is 255125244611. The reversal of 255125244540 is 45442521552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2365429 + ... + 2470931.

It is an arithmetic number, because the mean of its divisors is an integer number (7630471296).

Almost surely, 2^255125244540 is an apocalyptic number.

255125244540 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 255125244540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366262622208).

255125244540 is an abundant number, since it is smaller than the sum of its proper divisors (477399999876).

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

255125244540 is a wasteful number, since it uses less digits than its factorization.

255125244540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106539 (or 106537 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 39.

The spelling of 255125244540 in words is "two hundred fifty-five billion, one hundred twenty-five million, two hundred forty-four thousand, five hundred forty".