30825500250 has 64 divisors (see below), whose sum is σ = 80989983360. Its totient is φ = 7787491200.

The previous prime is 30825500249. The next prime is 30825500261. The reversal of 30825500250 is 5200552803.

It is a super-2 number, since 2×30825500250² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1067347 + ... + 1095846.

It is an arithmetic number, because the mean of its divisors is an integer number (1265468490).

Almost surely, 2^30825500250 is an apocalyptic number.

30825500250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30825500250 is an abundant number, since it is smaller than the sum of its proper divisors (50164483110).

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

30825500250 is a wasteful number, since it uses less digits than its factorization.

30825500250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163232 (or 2163222 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 30825500250 in words is "thirty billion, eight hundred twenty-five million, five hundred thousand, two hundred fifty".