28390361268000 has 192 divisors, whose sum is σ = 93474202348800. Its totient is φ = 7532718336000.

The previous prime is 28390361267977. The next prime is 28390361268053. The reversal of 28390361268000 is 86216309382.

It is a super-2 number, since 2×28390361268000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3556381 + ... + 8332380.

It is an arithmetic number, because the mean of its divisors is an integer number (486844803900).

Almost surely, 2^{28390361268000} is an apocalyptic number.

28390361268000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28390361268000 is an abundant number, since it is smaller than the sum of its proper divisors (65083841080800).

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

28390361268000 is a wasteful number, since it uses less digits than its factorization.

28390361268000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888988 (or 11888970 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 28390361268000 in words is "twenty-eight trillion, three hundred ninety billion, three hundred sixty-one million, two hundred sixty-eight thousand".