15258425220 has 120 divisors (see below), whose sum is σ = 48404525400. Its totient is φ = 4023157248.

The previous prime is 15258425219. The next prime is 15258425249. The reversal of 15258425220 is 2252485251.

15258425220 is a `hidden beast` number, since 1 + 5 + 2 + 5 + 8 + 425 + 220 = 666.

15258425220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 223741764 + 15034683456 = 14958^2 + 122616^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 91266 + ... + 197094.

It is an arithmetic number, because the mean of its divisors is an integer number (403371045).

Almost surely, 2^15258425220 is an apocalyptic number.

15258425220 is a gapful number since it is divisible by the number (10) 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 15258425220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24202262700).

15258425220 is an abundant number, since it is smaller than the sum of its proper divisors (33146100180).

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

15258425220 is a wasteful number, since it uses less digits than its factorization.

15258425220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105939 (or 105928 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 15258425220 in words is "fifteen billion, two hundred fifty-eight million, four hundred twenty-five thousand, two hundred twenty".