247275200000 has 240 divisors, whose sum is σ = 653942863728. Its totient is φ = 93081600000.

The previous prime is 247275199987. The next prime is 247275200023. The reversal of 247275200000 is 2572742.

It is a super-2 number, since 2×247275200000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27195455 + ... + 27204545.

Almost surely, 2^247275200000 is an apocalyptic number.

247275200000 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 247275200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326971431864).

247275200000 is an abundant number, since it is smaller than the sum of its proper divisors (406667663728).

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

247275200000 is an frugal number, since it uses more digits than its factorization.

247275200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151 (or 9115 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

Adding to 247275200000 its reverse (2572742), we get a palindrome (247277772742).

The spelling of 247275200000 in words is "two hundred forty-seven billion, two hundred seventy-five million, two hundred thousand".