30379612620 has 192 divisors, whose sum is σ = 102438604800. Its totient is φ = 6571549440.

The previous prime is 30379612619. The next prime is 30379612631. The reversal of 30379612620 is 2621697303.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12599215 + ... + 12601625.

It is an arithmetic number, because the mean of its divisors is an integer number (533534400).

Almost surely, 2^30379612620 is an apocalyptic number.

30379612620 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 30379612620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51219302400).

30379612620 is an abundant number, since it is smaller than the sum of its proper divisors (72058992180).

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

30379612620 is a wasteful number, since it uses less digits than its factorization.

30379612620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028 (or 4026 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 30379612620 in words is "thirty billion, three hundred seventy-nine million, six hundred twelve thousand, six hundred twenty".