2281715312400 has 360 divisors, whose sum is σ = 8528779207520. Its totient is φ = 563027189760.

The previous prime is 2281715312351. The next prime is 2281715312423. The reversal of 2281715312400 is 42135171822.

2281715312400 is a `hidden beast` number, since 2 + 2 + 81 + 7 + 1 + 531 + 2 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2553312 + ... + 3329088.

Almost surely, 2^{2281715312400} is an apocalyptic number.

2281715312400 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 2281715312400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4264389603760).

2281715312400 is an abundant number, since it is smaller than the sum of its proper divisors (6247063895120).

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

2281715312400 is a wasteful number, since it uses less digits than its factorization.

2281715312400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775863 (or 775849 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 2281715312400 in words is "two trillion, two hundred eighty-one billion, seven hundred fifteen million, three hundred twelve thousand, four hundred".