2273978395140 has 48 divisors (see below), whose sum is σ = 6394943647680. Its totient is φ = 603746225280.

The previous prime is 2273978395121. The next prime is 2273978395163. The reversal of 2273978395140 is 415938793722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82736566 + ... + 82764045.

It is an arithmetic number, because the mean of its divisors is an integer number (133227992660).

Almost surely, 2^{2273978395140} is an apocalyptic number.

2273978395140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273978395140 is an abundant number, since it is smaller than the sum of its proper divisors (4120965252540).

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

2273978395140 is a wasteful number, since it uses less digits than its factorization.

2273978395140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165500852 (or 165500850 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 2273978395140 in words is "two trillion, two hundred seventy-three billion, nine hundred seventy-eight million, three hundred ninety-five thousand, one hundred forty".