30486919806 has 160 divisors (see below), whose sum is σ = 82116384768. Its totient is φ = 8270009280.

The previous prime is 30486919787. The next prime is 30486919811. The reversal of 30486919806 is 60891968403.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1854981 + ... + 1871343.

Almost surely, 2^30486919806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30486919806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41058192384).

30486919806 is an abundant number, since it is smaller than the sum of its proper divisors (51629464962).

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

30486919806 is a wasteful number, since it uses less digits than its factorization.

30486919806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468 (or 16459 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 30486919806 in words is "thirty billion, four hundred eighty-six million, nine hundred nineteen thousand, eight hundred six".