444642113425240 has 32 divisors (see below), whose sum is σ = 1000485865370880. Its totient is φ = 177849536896512.

The previous prime is 444642113425201. The next prime is 444642113425247. The reversal of 444642113425240 is 42524311246444.

It is a super-3 number, since 3×444642113425240³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444642113425247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227404152 + ... + 229351111.

It is an arithmetic number, because the mean of its divisors is an integer number (31265183292840).

Almost surely, 2^{444642113425240} is an apocalyptic number.

444642113425240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444642113425240 is an abundant number, since it is smaller than the sum of its proper divisors (555843751945640).

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

444642113425240 is a wasteful number, since it uses less digits than its factorization.

444642113425240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456779611 (or 456779607 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 46.

The spelling of 444642113425240 in words is "four hundred forty-four trillion, six hundred forty-two billion, one hundred thirteen million, four hundred twenty-five thousand, two hundred forty".