2250571023440 has 80 divisors (see below), whose sum is σ = 5413364125200. Its totient is φ = 869129404416.

The previous prime is 2250571023221. The next prime is 2250571023461. The reversal of 2250571023440 is 443201750522.

It can be written as a sum of positive squares in 8 ways, for example, as 34117045264 + 2216453978176 = 184708^2 + 1488776^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×2250571023440³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2250571023440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60786374 + ... + 60823386.

It is an arithmetic number, because the mean of its divisors is an integer number (67667051565).

Almost surely, 2^{2250571023440} is an apocalyptic number.

2250571023440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2250571023440 is an abundant number, since it is smaller than the sum of its proper divisors (3162793101760).

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

2250571023440 is a wasteful number, since it uses less digits than its factorization.

2250571023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63264 (or 63258 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 2250571023440 its reverse (443201750522), we get a palindrome (2693772773962).

The spelling of 2250571023440 in words is "two trillion, two hundred fifty billion, five hundred seventy-one million, twenty-three thousand, four hundred forty".