253025542788 has 72 divisors (see below), whose sum is σ = 623963406528. Its totient is φ = 79653068352.

The previous prime is 253025542753. The next prime is 253025542817. The reversal of 253025542788 is 887245520352.

It is a self number, because there is not a number n which added to its sum of digits gives 253025542788.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1649070 + ... + 1795962.

It is an arithmetic number, because the mean of its divisors is an integer number (8666158424).

Almost surely, 2^253025542788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253025542788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311981703264).

253025542788 is an abundant number, since it is smaller than the sum of its proper divisors (370937863740).

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

253025542788 is a wasteful number, since it uses less digits than its factorization.

253025542788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147081 (or 147000 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 253025542788 in words is "two hundred fifty-three billion, twenty-five million, five hundred forty-two thousand, seven hundred eighty-eight".