447038740 has 48 divisors (see below), whose sum is σ = 959616000. Its totient is φ = 174886272.

The previous prime is 447038719. The next prime is 447038743. The reversal of 447038740 is 47830744.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 447038740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447038743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198541 + ... + 200779.

It is an arithmetic number, because the mean of its divisors is an integer number (19992000).

Almost surely, 2^447038740 is an apocalyptic number.

It is an amenable number.

447038740 is an abundant number, since it is smaller than the sum of its proper divisors (512577260).

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

447038740 is a wasteful number, since it uses less digits than its factorization.

447038740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 447038740 is about 21143.2906615787. The cubic root of 447038740 is about 764.6248121064.

The spelling of 447038740 in words is "four hundred forty-seven million, thirty-eight thousand, seven hundred forty".