446552140 has 12 divisors (see below), whose sum is σ = 937759536. Its totient is φ = 178620848.

The previous prime is 446552129. The next prime is 446552143. The reversal of 446552140 is 41255644.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (446552143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11163784 + ... + 11163823.

It is an arithmetic number, because the mean of its divisors is an integer number (78146628).

Almost surely, 2^446552140 is an apocalyptic number.

It is an amenable number.

446552140 is an abundant number, since it is smaller than the sum of its proper divisors (491207396).

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

446552140 is a wasteful number, since it uses less digits than its factorization.

446552140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22327616 (or 22327614 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 446552140 is about 21131.7803320023. The cubic root of 446552140 is about 764.3472809668.

The spelling of 446552140 in words is "four hundred forty-six million, five hundred fifty-two thousand, one hundred forty".