2861057287446 has 32 divisors (see below), whose sum is σ = 5729604940800. Its totient is φ = 952437805536.

The previous prime is 2861057287433. The next prime is 2861057287489. The reversal of 2861057287446 is 6447827501682.

It is a self number, because there is not a number n which added to its sum of digits gives 2861057287446.

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, 27631780 + ... + 27735128.

It is an arithmetic number, because the mean of its divisors is an integer number (179050154400).

Almost surely, 2^{2861057287446} is an apocalyptic number.

2861057287446 is an abundant number, since it is smaller than the sum of its proper divisors (2868547653354).

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

2861057287446 is a wasteful number, since it uses less digits than its factorization.

2861057287446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109348.

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 2861057287446 in words is "two trillion, eight hundred sixty-one billion, fifty-seven million, two hundred eighty-seven thousand, four hundred forty-six".