444415043445454 has 4 divisors (see below), whose sum is σ = 666622565168184. Its totient is φ = 222207521722726.

The previous prime is 444415043445449. The next prime is 444415043445469. The reversal of 444415043445454 is 454544340514444.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×444415043445454² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444415043445395 and 444415043445404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111103760861362 + ... + 111103760861365.

It is an arithmetic number, because the mean of its divisors is an integer number (166655641292046).

Almost surely, 2^{444415043445454} is an apocalyptic number.

444415043445454 is a deficient number, since it is larger than the sum of its proper divisors (222207521722730).

444415043445454 is a wasteful number, since it uses less digits than its factorization.

444415043445454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222207521722729.

The product of its (nonzero) digits is 98304000, while the sum is 55.

Adding to 444415043445454 its reverse (454544340514444), we get a palindrome (898959383959898).

The spelling of 444415043445454 in words is "four hundred forty-four trillion, four hundred fifteen billion, forty-three million, four hundred forty-five thousand, four hundred fifty-four".