446667540 has 96 divisors (see below), whose sum is σ = 1378629504. Its totient is φ = 107151360.

The previous prime is 446667527. The next prime is 446667547. The reversal of 446667540 is 45766644.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 446667492 and 446667501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446667547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60532 + ... + 67508.

It is an arithmetic number, because the mean of its divisors is an integer number (14360724).

Almost surely, 2^446667540 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 446667540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689314752).

446667540 is an abundant number, since it is smaller than the sum of its proper divisors (931961964).

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

446667540 is a wasteful number, since it uses less digits than its factorization.

446667540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7097 (or 7095 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 446667540 is about 21134.5106401828. The cubic root of 446667540 is about 764.4131173095.

The spelling of 446667540 in words is "four hundred forty-six million, six hundred sixty-seven thousand, five hundred forty".