2258763221376 has 160 divisors (see below), whose sum is σ = 6953838249600. Its totient is φ = 726958181376.

The previous prime is 2258763221359. The next prime is 2258763221383. The reversal of 2258763221376 is 6731223678522.

2258763221376 is a `hidden beast` number, since 2 + 2 + 587 + 6 + 3 + 2 + 21 + 37 + 6 = 666.

It is a super-2 number, since 2×2258763221376² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 3455520 + ... + 4056863.

It is an arithmetic number, because the mean of its divisors is an integer number (43461489060).

Almost surely, 2^{2258763221376} is an apocalyptic number.

It is an amenable number.

2258763221376 is an abundant number, since it is smaller than the sum of its proper divisors (4695075028224).

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

2258763221376 is an equidigital number, since it uses as much as digits as its factorization.

2258763221376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512438 (or 7512417 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 54.

Adding to 2258763221376 its reverse (6731223678522), we get a palindrome (8989986899898).

The spelling of 2258763221376 in words is "two trillion, two hundred fifty-eight billion, seven hundred sixty-three million, two hundred twenty-one thousand, three hundred seventy-six".