455447175780 has 192 divisors, whose sum is σ = 1404011169792. Its totient is φ = 109812449280.

The previous prime is 455447175779. The next prime is 455447175803. The reversal of 455447175780 is 87571744554.

It is a self number, because there is not a number n which added to its sum of digits gives 455447175780.

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, 4279372 + ... + 4384508.

It is an arithmetic number, because the mean of its divisors is an integer number (7312558176).

Almost surely, 2^455447175780 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 455447175780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (702005584896).

455447175780 is an abundant number, since it is smaller than the sum of its proper divisors (948563994012).

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

455447175780 is a wasteful number, since it uses less digits than its factorization.

455447175780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105334 (or 105332 counting only the distinct ones).

The product of its (nonzero) digits is 21952000, while the sum is 57.

The spelling of 455447175780 in words is "four hundred fifty-five billion, four hundred forty-seven million, one hundred seventy-five thousand, seven hundred eighty".