2291078183040 has 768 divisors, whose sum is σ = 8650099261440. Its totient is φ = 578609049600.

The previous prime is 2291078183039. The next prime is 2291078183057. The reversal of 2291078183040 is 403818701922.

It is a happy number.

2291078183040 is a `hidden beast` number, since 229 + 107 + 8 + 18 + 304 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 226587585 + ... + 226597695.

It is an arithmetic number, because the mean of its divisors is an integer number (11263150080).

Almost surely, 2^{2291078183040} is an apocalyptic number.

2291078183040 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 2291078183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4325049630720).

2291078183040 is an abundant number, since it is smaller than the sum of its proper divisors (6359021078400).

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

2291078183040 is a wasteful number, since it uses less digits than its factorization.

2291078183040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223 (or 10199 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 2291078183040 in words is "two trillion, two hundred ninety-one billion, seventy-eight million, one hundred eighty-three thousand, forty".