30766212408 has 64 divisors (see below), whose sum is σ = 78805509120. Its totient is φ = 10004816000.

The previous prime is 30766212329. The next prime is 30766212413. The reversal of 30766212408 is 80421266703.

It is a happy number.

It is a Cunningham number, because it is equal to 175403²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306958 + ... + 394658.

It is an arithmetic number, because the mean of its divisors is an integer number (1231336080).

Almost surely, 2^30766212408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30766212408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39402754560).

30766212408 is an abundant number, since it is smaller than the sum of its proper divisors (48039296712).

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

30766212408 is a wasteful number, since it uses less digits than its factorization.

30766212408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88068 (or 88064 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 30766212408 in words is "thirty billion, seven hundred sixty-six million, two hundred twelve thousand, four hundred eight".