446379377540 has 12 divisors (see below), whose sum is σ = 937396692876. Its totient is φ = 178551751008.

The previous prime is 446379377519. The next prime is 446379377573. The reversal of 446379377540 is 45773973644.

It can be written as a sum of positive squares in 2 ways, for example, as 83628542596 + 362750834944 = 289186^2 + 602288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 446379377540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11159484419 + ... + 11159484458.

It is an arithmetic number, because the mean of its divisors is an integer number (78116391073).

Almost surely, 2^446379377540 is an apocalyptic number.

It is an amenable number.

446379377540 is an abundant number, since it is smaller than the sum of its proper divisors (491017315336).

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

446379377540 is a wasteful number, since it uses less digits than its factorization.

446379377540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22318968886 (or 22318968884 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 59.

The spelling of 446379377540 in words is "four hundred forty-six billion, three hundred seventy-nine million, three hundred seventy-seven thousand, five hundred forty".