44406220425 has 48 divisors (see below), whose sum is σ = 84469891200. Its totient is φ = 20163709440.

The previous prime is 44406220409. The next prime is 44406220459. The reversal of 44406220425 is 52402260444.

It is not a de Polignac number, because 44406220425 - 2⁴ = 44406220409 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205612 + ... + 362061.

It is an arithmetic number, because the mean of its divisors is an integer number (1759789400).

Almost surely, 2^44406220425 is an apocalyptic number.

It is an amenable number.

44406220425 is a deficient number, since it is larger than the sum of its proper divisors (40063670775).

44406220425 is a wasteful number, since it uses less digits than its factorization.

44406220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567842 (or 567837 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 44406220425 its reverse (52402260444), we get a palindrome (96808480869).

The spelling of 44406220425 in words is "forty-four billion, four hundred six million, two hundred twenty thousand, four hundred twenty-five".