447311430 has 128 divisors (see below), whose sum is σ = 1229875200. Its totient is φ = 115644672.

The previous prime is 447311287. The next prime is 447311441. The reversal of 447311430 is 34113744.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 447311394 and 447311403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1428954 + ... + 1429266.

It is an arithmetic number, because the mean of its divisors is an integer number (9608400).

Almost surely, 2^447311430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447311430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614937600).

447311430 is an abundant number, since it is smaller than the sum of its proper divisors (782563770).

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

447311430 is a wasteful number, since it uses less digits than its factorization.

447311430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 447311430 is about 21149.7382962532. The cubic root of 447311430 is about 764.7802521464.

The spelling of 447311430 in words is "four hundred forty-seven million, three hundred eleven thousand, four hundred thirty".