30850840470 has 64 divisors (see below), whose sum is σ = 77326824960. Its totient is φ = 7862519808.

The previous prime is 30850840453. The next prime is 30850840477. The reversal of 30850840470 is 7404805803.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30850840477) 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, 821361 + ... + 858099.

It is an arithmetic number, because the mean of its divisors is an integer number (1208231640).

Almost surely, 2^30850840470 is an apocalyptic number.

30850840470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30850840470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38663412480).

30850840470 is an abundant number, since it is smaller than the sum of its proper divisors (46475984490).

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

30850840470 is a wasteful number, since it uses less digits than its factorization.

30850840470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37989.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 30850840470 in words is "thirty billion, eight hundred fifty million, eight hundred forty thousand, four hundred seventy".