299933420640 has 192 divisors, whose sum is σ = 1090893049344. Its totient is φ = 67849371648.

The previous prime is 299933420629. The next prime is 299933420653. The reversal of 299933420640 is 46024339992.

It is a super-2 number, since 2×299933420640² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 134214 + ... + 786053.

It is an arithmetic number, because the mean of its divisors is an integer number (5681734632).

Almost surely, 2^299933420640 is an apocalyptic number.

299933420640 is a gapful number since it is divisible by the number (20) 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 299933420640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (545446524672).

299933420640 is an abundant number, since it is smaller than the sum of its proper divisors (790959628704).

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

299933420640 is a wasteful number, since it uses less digits than its factorization.

299933420640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920389 (or 920381 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 51.

The spelling of 299933420640 in words is "two hundred ninety-nine billion, nine hundred thirty-three million, four hundred twenty thousand, six hundred forty".