2261540753044 has 24 divisors (see below), whose sum is σ = 4129867304640. Its totient is φ = 1081580981184.

The previous prime is 2261540753041. The next prime is 2261540753047. The reversal of 2261540753044 is 4403570451622.

It is an interprime number because it is at equal distance from previous prime (2261540753041) and next prime (2261540753047).

It is a super-2 number, since 2×2261540753044² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261540753041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3979767 + ... + 4512385.

It is an arithmetic number, because the mean of its divisors is an integer number (172077804360).

Almost surely, 2^{2261540753044} is an apocalyptic number.

It is an amenable number.

2261540753044 is a deficient number, since it is larger than the sum of its proper divisors (1868326551596).

2261540753044 is a wasteful number, since it uses less digits than its factorization.

2261540753044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578799 (or 578797 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 2261540753044 in words is "two trillion, two hundred sixty-one billion, five hundred forty million, seven hundred fifty-three thousand, forty-four".