446744140 has 24 divisors (see below), whose sum is σ = 940141440. Its totient is φ = 178320768.

The previous prime is 446744117. The next prime is 446744147. The reversal of 446744140 is 41447644.

It is a junction number, because it is equal to n+sod(n) for n = 446744096 and 446744105.

It is not an unprimeable number, because it can be changed into a prime (446744147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13737 + ... + 32896.

It is an arithmetic number, because the mean of its divisors is an integer number (39172560).

Almost surely, 2^446744140 is an apocalyptic number.

It is an amenable number.

446744140 is an abundant number, since it is smaller than the sum of its proper divisors (493397300).

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

446744140 is a wasteful number, since it uses less digits than its factorization.

446744140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47121 (or 47119 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 446744140 is about 21136.3227643789. The cubic root of 446744140 is about 764.4568117747.

The spelling of 446744140 in words is "four hundred forty-six million, seven hundred forty-four thousand, one hundred forty".