2661532412044 has 96 divisors (see below), whose sum is σ = 5256850959360. Its totient is φ = 1168544678400.

The previous prime is 2661532412041. The next prime is 2661532412047. The reversal of 2661532412044 is 4402142351662.

It is an interprime number because it is at equal distance from previous prime (2661532412041) and next prime (2661532412047).

It is a junction number, because it is equal to n+sod(n) for n = 2661532411988 and 2661532412006.

It is not an unprimeable number, because it can be changed into a prime (2661532412041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441452022 + ... + 441458050.

It is an arithmetic number, because the mean of its divisors is an integer number (54758864160).

Almost surely, 2^{2661532412044} is an apocalyptic number.

It is an amenable number.

2661532412044 is a deficient number, since it is larger than the sum of its proper divisors (2595318547316).

2661532412044 is a wasteful number, since it uses less digits than its factorization.

2661532412044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479 (or 8477 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 2661532412044 in words is "two trillion, six hundred sixty-one billion, five hundred thirty-two million, four hundred twelve thousand, forty-four".