2861081804450 has 48 divisors (see below), whose sum is σ = 5462881085376. Its totient is φ = 1114223476800.

The previous prime is 2861081804437. The next prime is 2861081804491. The reversal of 2861081804450 is 544081801682.

It is a happy number.

2861081804450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2861081804395 and 2861081804404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1470797 + ... + 2808096.

It is an arithmetic number, because the mean of its divisors is an integer number (113810022612).

Almost surely, 2^{2861081804450} is an apocalyptic number.

2861081804450 is a deficient number, since it is larger than the sum of its proper divisors (2601799280926).

2861081804450 is a wasteful number, since it uses less digits than its factorization.

2861081804450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279259 (or 4279254 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 47.

The spelling of 2861081804450 in words is "two trillion, eight hundred sixty-one billion, eighty-one million, eight hundred four thousand, four hundred fifty".