319229416396644 has 96 divisors (see below), whose sum is σ = 807434201078400. Its totient is φ = 97579623518208.

The previous prime is 319229416396469. The next prime is 319229416396777. The reversal of 319229416396644 is 446693614922913.

It is a super-2 number, since 2×319229416396644² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123606612 + ... + 126162804.

It is an arithmetic number, because the mean of its divisors is an integer number (8410772927900).

Almost surely, 2^{319229416396644} 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 319229416396644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403717100539200).

319229416396644 is an abundant number, since it is smaller than the sum of its proper divisors (488204784681756).

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

319229416396644 is a wasteful number, since it uses less digits than its factorization.

319229416396644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561469 (or 2561467 counting only the distinct ones).

The product of its digits is 362797056, while the sum is 69.

The spelling of 319229416396644 in words is "three hundred nineteen trillion, two hundred twenty-nine billion, four hundred sixteen million, three hundred ninety-six thousand, six hundred forty-four".