444545314425 has 24 divisors (see below), whose sum is σ = 816646208480. Its totient is φ = 237090834000.

The previous prime is 444545314351. The next prime is 444545314501. The reversal of 444545314425 is 524413545444.

444545314425 is a `hidden beast` number, since 4 + 4 + 4 + 54 + 531 + 44 + 25 = 666.

It is not a de Polignac number, because 444545314425 - 2³³ = 435955379833 is a prime.

It is a super-2 number, since 2×444545314425² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329292151 + ... + 329293500.

Almost surely, 2^444545314425 is an apocalyptic number.

444545314425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

444545314425 is a deficient number, since it is larger than the sum of its proper divisors (372100894055).

444545314425 is a wasteful number, since it uses less digits than its factorization.

444545314425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658585670 (or 658585659 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 45.

Adding to 444545314425 its reverse (524413545444), we get a palindrome (968958859869).

The spelling of 444545314425 in words is "four hundred forty-four billion, five hundred forty-five million, three hundred fourteen thousand, four hundred twenty-five".