2273312334240 has 384 divisors, whose sum is σ = 8073354240000. Its totient is φ = 597385248768.

The previous prime is 2273312334157. The next prime is 2273312334257. The reversal of 2273312334240 is 424332133722.

2273312334240 is a `hidden beast` number, since 2 + 2 + 7 + 3 + 312 + 334 + 2 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2273312334195 and 2273312334204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81733456 + ... + 81761264.

It is an arithmetic number, because the mean of its divisors is an integer number (21024360000).

Almost surely, 2^{2273312334240} is an apocalyptic number.

2273312334240 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 2273312334240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4036677120000).

2273312334240 is an abundant number, since it is smaller than the sum of its proper divisors (5800041905760).

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

2273312334240 is a wasteful number, since it uses less digits than its factorization.

2273312334240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28109 (or 28095 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 36.

Adding to 2273312334240 its reverse (424332133722), we get a palindrome (2697644467962).

The spelling of 2273312334240 in words is "two trillion, two hundred seventy-three billion, three hundred twelve million, three hundred thirty-four thousand, two hundred forty".