2261885697904 has 80 divisors (see below), whose sum is σ = 5059692158976. Its totient is φ = 959479776000.

The previous prime is 2261885697899. The next prime is 2261885697917. The reversal of 2261885697904 is 4097965881622.

2261885697904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2261885697904² (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 2261885697904.

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, 13711594 + ... + 13875574.

Almost surely, 2^{2261885697904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2261885697904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2529846079488).

2261885697904 is an abundant number, since it is smaller than the sum of its proper divisors (2797806461072).

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

2261885697904 is a wasteful number, since it uses less digits than its factorization.

2261885697904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165254 (or 165248 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 67.

The spelling of 2261885697904 in words is "two trillion, two hundred sixty-one billion, eight hundred eighty-five million, six hundred ninety-seven thousand, nine hundred four".