444534134015420 has 24 divisors (see below), whose sum is σ = 933535028210400. Its totient is φ = 177811111362752.

The previous prime is 444534134015401. The next prime is 444534134015437. The reversal of 444534134015420 is 24510431435444.

It is a super-4 number, since 4×444534134015420⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 157456055 + ... + 160254414.

It is an arithmetic number, because the mean of its divisors is an integer number (38897292842100).

Almost surely, 2^{444534134015420} is an apocalyptic number.

It is an amenable number.

444534134015420 is an abundant number, since it is smaller than the sum of its proper divisors (489000894194980).

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

444534134015420 is a wasteful number, since it uses less digits than its factorization.

444534134015420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317780437 (or 317780435 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 44.

The spelling of 444534134015420 in words is "four hundred forty-four trillion, five hundred thirty-four billion, one hundred thirty-four million, fifteen thousand, four hundred twenty".