44546421403 has 24 divisors (see below), whose sum is σ = 50355108720. Its totient is φ = 39354163200.

The previous prime is 44546421389. The next prime is 44546421407. The reversal of 44546421403 is 30412464544.

It is a de Polignac number, because none of the positive numbers 2^k-44546421403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44546421407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257508 + ... + 1292446.

It is an arithmetic number, because the mean of its divisors is an integer number (2098129530).

Almost surely, 2^44546421403 is an apocalyptic number.

44546421403 is a deficient number, since it is larger than the sum of its proper divisors (5808687317).

44546421403 is a wasteful number, since it uses less digits than its factorization.

44546421403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35259 (or 35248 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 44546421403 its reverse (30412464544), we get a palindrome (74958885947).

The spelling of 44546421403 in words is "forty-four billion, five hundred forty-six million, four hundred twenty-one thousand, four hundred three".