308838511434264 has 128 divisors (see below), whose sum is σ = 889436850339840. Its totient is φ = 87535609846272.

The previous prime is 308838511434251. The next prime is 308838511434329. The reversal of 308838511434264 is 462434115838803.

It is a super-2 number, since 2×308838511434264² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 308838511434198 and 308838511434207.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 204350082 + ... + 205855854.

It is an arithmetic number, because the mean of its divisors is an integer number (6948725393280).

Almost surely, 2^{308838511434264} 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 308838511434264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444718425169920).

308838511434264 is an abundant number, since it is smaller than the sum of its proper divisors (580598338905576).

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

308838511434264 is a wasteful number, since it uses less digits than its factorization.

308838511434264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515529 (or 1515525 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 60.

The spelling of 308838511434264 in words is "three hundred eight trillion, eight hundred thirty-eight billion, five hundred eleven million, four hundred thirty-four thousand, two hundred sixty-four".