40444016503 has 12 divisors (see below), whose sum is σ = 44958610008. Its totient is φ = 36069234240.

The previous prime is 40444016471. The next prime is 40444016527. The reversal of 40444016503 is 30561044404.

It is not a de Polignac number, because 40444016503 - 2⁵ = 40444016471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444016533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4851643 + ... + 4859971.

It is an arithmetic number, because the mean of its divisors is an integer number (3746550834).

Almost surely, 2^40444016503 is an apocalyptic number.

40444016503 is a deficient number, since it is larger than the sum of its proper divisors (4514593505).

40444016503 is an frugal number, since it uses more digits than its factorization.

40444016503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16722 (or 8393 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 40444016503 in words is "forty billion, four hundred forty-four million, sixteen thousand, five hundred three".