655250015928 has 192 divisors, whose sum is σ = 1819064148480. Its totient is φ = 195960314880.

The previous prime is 655250015887. The next prime is 655250015951. The reversal of 655250015928 is 829510052556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26257425 + ... + 26282367.

It is an arithmetic number, because the mean of its divisors is an integer number (9474292440).

Almost surely, 2^655250015928 is an apocalyptic number.

655250015928 is a gapful number since it is divisible by the number (68) 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 655250015928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909532074240).

655250015928 is an abundant number, since it is smaller than the sum of its proper divisors (1163814132552).

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

655250015928 is a wasteful number, since it uses less digits than its factorization.

655250015928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25098 (or 25063 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 655250015928 in words is "six hundred fifty-five billion, two hundred fifty million, fifteen thousand, nine hundred twenty-eight".