30530572390 has 16 divisors (see below), whose sum is σ = 55014202080. Its totient is φ = 12199079680.

The previous prime is 30530572367. The next prime is 30530572399. The reversal of 30530572390 is 9327503503.

It is a super-2 number, since 2×30530572390² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530572399) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1633906 + ... + 1652485.

It is an arithmetic number, because the mean of its divisors is an integer number (3438387630).

Almost surely, 2^30530572390 is an apocalyptic number.

30530572390 is a deficient number, since it is larger than the sum of its proper divisors (24483629690).

30530572390 is a wasteful number, since it uses less digits than its factorization.

30530572390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287327.

The product of its (nonzero) digits is 85050, while the sum is 37.

The spelling of 30530572390 in words is "thirty billion, five hundred thirty million, five hundred seventy-two thousand, three hundred ninety".