450521855078 has 16 divisors (see below), whose sum is σ = 704188464480. Its totient is φ = 215905763136.

The previous prime is 450521855059. The next prime is 450521855083. The reversal of 450521855078 is 870558125054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28341026 + ... + 28356917.

It is an arithmetic number, because the mean of its divisors is an integer number (44011779030).

Almost surely, 2^450521855078 is an apocalyptic number.

450521855078 is a deficient number, since it is larger than the sum of its proper divisors (253666609402).

450521855078 is a wasteful number, since it uses less digits than its factorization.

450521855078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56698111.

The product of its (nonzero) digits is 2240000, while the sum is 50.

The spelling of 450521855078 in words is "four hundred fifty billion, five hundred twenty-one million, eight hundred fifty-five thousand, seventy-eight".