30622463820 has 144 divisors (see below), whose sum is σ = 100161227712. Its totient is φ = 7528204800.

The previous prime is 30622463819. The next prime is 30622463881. The reversal of 30622463820 is 2836422603.

30622463820 is a `hidden beast` number, since 3 + 0 + 622 + 4 + 6 + 3 + 8 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1917870 + ... + 1933770.

Almost surely, 2^30622463820 is an apocalyptic number.

30622463820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30622463820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50080613856).

30622463820 is an abundant number, since it is smaller than the sum of its proper divisors (69538763892).

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

30622463820 is a wasteful number, since it uses less digits than its factorization.

30622463820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16752 (or 16747 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 30622463820 in words is "thirty billion, six hundred twenty-two million, four hundred sixty-three thousand, eight hundred twenty".