444314422440 has 160 divisors (see below), whose sum is σ = 1706731678080. Its totient is φ = 101557577088.

The previous prime is 444314422439. The next prime is 444314422459. The reversal of 444314422440 is 44224413444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 444314422395 and 444314422404.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9772612 + ... + 9817971.

It is an arithmetic number, because the mean of its divisors is an integer number (10667072988).

Almost surely, 2^444314422440 is an apocalyptic number.

444314422440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444314422440 is an abundant number, since it is smaller than the sum of its proper divisors (1262417255640).

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

444314422440 is a wasteful number, since it uses less digits than its factorization.

444314422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19590613 (or 19590600 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 444314422440 its reverse (44224413444), we get a palindrome (488538835884).

The spelling of 444314422440 in words is "four hundred forty-four billion, three hundred fourteen million, four hundred twenty-two thousand, four hundred forty".