2249361031680 has 1920 divisors, whose sum is σ = 10043677163520. Its totient is φ = 470829957120.

The previous prime is 2249361031679. The next prime is 2249361031693. The reversal of 2249361031680 is 861301639422.

2249361031680 is a `hidden beast` number, since 2 + 24 + 9 + 3 + 610 + 3 + 1 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2564835402 + ... + 2564836278.

It is an arithmetic number, because the mean of its divisors is an integer number (5231081856).

Almost surely, 2^{2249361031680} is an apocalyptic number.

2249361031680 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 2249361031680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5021838581760).

2249361031680 is an abundant number, since it is smaller than the sum of its proper divisors (7794316131840).

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

2249361031680 is an equidigital number, since it uses as much as digits as its factorization.

2249361031680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 2249361031680 in words is "two trillion, two hundred forty-nine billion, three hundred sixty-one million, thirty-one thousand, six hundred eighty".