444534425336460 has 96 divisors (see below), whose sum is σ = 1257537497352192. Its totient is φ = 117319568762880.

The previous prime is 444534425336447. The next prime is 444534425336503. The reversal of 444534425336460 is 64633524435444.

It is a super-2 number, since 2×444534425336460² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444534425336460.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1403526715 + ... + 1403843405.

It is an arithmetic number, because the mean of its divisors is an integer number (13099348930752).

Almost surely, 2^{444534425336460} is an apocalyptic number.

It is an amenable number.

444534425336460 is an abundant number, since it is smaller than the sum of its proper divisors (813003072015732).

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

444534425336460 is a wasteful number, since it uses less digits than its factorization.

444534425336460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557983 (or 557981 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 57.

The spelling of 444534425336460 in words is "four hundred forty-four trillion, five hundred thirty-four billion, four hundred twenty-five million, three hundred thirty-six thousand, four hundred sixty".