44421425602 has 4 divisors (see below), whose sum is σ = 66632138406. Its totient is φ = 22210712800.

The previous prime is 44421425591. The next prime is 44421425623. The reversal of 44421425602 is 20652412444.

44421425602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 40044412321 + 4377013281 = 200111^2 + 66159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105356399 + ... + 11105356402.

Almost surely, 2^44421425602 is an apocalyptic number.

44421425602 is a deficient number, since it is larger than the sum of its proper divisors (22210712804).

44421425602 is a wasteful number, since it uses less digits than its factorization.

44421425602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22210712803.

The product of its (nonzero) digits is 61440, while the sum is 34.

The spelling of 44421425602 in words is "forty-four billion, four hundred twenty-one million, four hundred twenty-five thousand, six hundred two".