30005589390 has 64 divisors (see below), whose sum is σ = 87142293504. Its totient is φ = 6454983168.

The previous prime is 30005589377. The next prime is 30005589391. The reversal of 30005589390 is 9398550003.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30005589391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4198894 + ... + 4206033.

It is an arithmetic number, because the mean of its divisors is an integer number (1361598336).

Almost surely, 2^30005589390 is an apocalyptic number.

30005589390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30005589390 is an abundant number, since it is smaller than the sum of its proper divisors (57136704114).

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

30005589390 is a wasteful number, since it uses less digits than its factorization.

30005589390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404961.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 30005589390 in words is "thirty billion, five million, five hundred eighty-nine thousand, three hundred ninety".