44135420203 has 16 divisors (see below), whose sum is σ = 51622743040. Its totient is φ = 36943978176.

The previous prime is 44135420149. The next prime is 44135420209. The reversal of 44135420203 is 30202453144.

It is a happy number.

It is not a de Polignac number, because 44135420203 - 2²⁵ = 44101865771 is a prime.

It is a super-2 number, since 2×44135420203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44135420209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2425726 + ... + 2443852.

It is an arithmetic number, because the mean of its divisors is an integer number (3226421440).

Almost surely, 2^44135420203 is an apocalyptic number.

44135420203 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

44135420203 is a deficient number, since it is larger than the sum of its proper divisors (7487322837).

44135420203 is a wasteful number, since it uses less digits than its factorization.

44135420203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26266.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 44135420203 its reverse (30202453144), we get a palindrome (74337873347).

The spelling of 44135420203 in words is "forty-four billion, one hundred thirty-five million, four hundred twenty thousand, two hundred three".