447962349780 has 504 divisors, whose sum is σ = 1600519667712. Its totient is φ = 105080976000.

The previous prime is 447962349773. The next prime is 447962349787. The reversal of 447962349780 is 87943269744.

447962349780 is a `hidden beast` number, since 4 + 4 + 7 + 9 + 62 + 3 + 497 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (447962349773) and next prime (447962349787).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447962349787) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 54685485 + ... + 54693675.

Almost surely, 2^447962349780 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 447962349780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800259833856).

447962349780 is an abundant number, since it is smaller than the sum of its proper divisors (1152557317932).

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

447962349780 is a wasteful number, since it uses less digits than its factorization.

447962349780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271 (or 8243 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

It can be divided in two parts, 44 and 7962349780, that added together give a square (7962349824 = 89232²).

The spelling of 447962349780 in words is "four hundred forty-seven billion, nine hundred sixty-two million, three hundred forty-nine thousand, seven hundred eighty".