30825844290 has 24 divisors (see below), whose sum is σ = 80147195388. Its totient is φ = 8220225120.

The previous prime is 30825844271. The next prime is 30825844307. The reversal of 30825844290 is 9244852803.

30825844290 is a `hidden beast` number, since 308 + 2 + 58 + 4 + 4 + 290 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30675070449 + 150773841 = 175143^2 + 12279^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 11 ways as a sum of consecutive naturals, for example, 171254601 + ... + 171254780.

Almost surely, 2^30825844290 is an apocalyptic number.

30825844290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30825844290 is an abundant number, since it is smaller than the sum of its proper divisors (49321351098).

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

30825844290 is a wasteful number, since it uses less digits than its factorization.

30825844290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342509394 (or 342509391 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 30825844290 in words is "thirty billion, eight hundred twenty-five million, eight hundred forty-four thousand, two hundred ninety".