2261035661342 has 32 divisors (see below), whose sum is σ = 3659199496992. Its totient is φ = 1043830554624.

The previous prime is 2261035661341. The next prime is 2261035661377. The reversal of 2261035661342 is 2431665301622.

It is a super-2 number, since 2×2261035661342² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2261035661342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261035661341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18396638 + ... + 18519134.

It is an arithmetic number, because the mean of its divisors is an integer number (114349984281).

Almost surely, 2^{2261035661342} is an apocalyptic number.

2261035661342 is a deficient number, since it is larger than the sum of its proper divisors (1398163835650).

2261035661342 is a wasteful number, since it uses less digits than its factorization.

2261035661342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132812.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 2261035661342 in words is "two trillion, two hundred sixty-one billion, thirty-five million, six hundred sixty-one thousand, three hundred forty-two".