2240520145544 has 8 divisors (see below), whose sum is σ = 4200975272910. Its totient is φ = 1120260072768.

The previous prime is 2240520145519. The next prime is 2240520145571. The reversal of 2240520145544 is 4455410250422.

It can be written as a sum of positive squares in only one way, i.e., 1441752532900 + 798767612644 = 1200730^2 + 893738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2240520145498 and 2240520145507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140032509089 + ... + 140032509104.

Almost surely, 2^{2240520145544} is an apocalyptic number.

It is an amenable number.

2240520145544 is a deficient number, since it is larger than the sum of its proper divisors (1960455127366).

2240520145544 is a wasteful number, since it uses less digits than its factorization.

2240520145544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280065018199 (or 280065018195 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 2240520145544 its reverse (4455410250422), we get a palindrome (6695930395966).

The spelling of 2240520145544 in words is "two trillion, two hundred forty billion, five hundred twenty million, one hundred forty-five thousand, five hundred forty-four".