28232964641400 has 384 divisors, whose sum is σ = 92180500070400. Its totient is φ = 7134356275200.

The previous prime is 28232964641383. The next prime is 28232964641447. The reversal of 28232964641400 is 414646923282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1242582040 + ... + 1242604760.

It is an arithmetic number, because the mean of its divisors is an integer number (240053385600).

Almost surely, 2^{28232964641400} is an apocalyptic number.

28232964641400 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 28232964641400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46090250035200).

28232964641400 is an abundant number, since it is smaller than the sum of its proper divisors (63947535429000).

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

28232964641400 is a wasteful number, since it uses less digits than its factorization.

28232964641400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23599 (or 23590 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 28232964641400 in words is "twenty-eight trillion, two hundred thirty-two billion, nine hundred sixty-four million, six hundred forty-one thousand, four hundred".